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Interviewer
How do you get into studying the female orgasm?
Dr. Robert King
Let's just go dive straight in, okay? So my background was. I was a schoolteacher for 20 years. And I was interested in psychology and maths. That's what I taught. About 20 years ago, I came across a really interesting book by a woman called Elizabeth Lloyd. It was a bias in the science of evolution. I was on holiday in Thailand. I read it. The book told me that female orgasm did nothing, had no function. And to say I was. I was surprised would be an understatement. And I just. I got interested and I started studying evolutionary biology. And I approached some prominent figures in the field and said, I think I haven't. I. You seem to have an issue here studying this subject, I think. And it just sort of. I'm obviously quite a nerdy kind of character. I delve into these things. I read the original stuff. And once I started reading the original stuff, it became obvious that there were two very distinct traditions of studying human sexuality, particularly female orgasm. One of them went down this. This strange route of saying it did nothing. And another one, which had been somewhat sidelined, suggested actually had some really interesting functions.
Interviewer
What was your intuition, what was it that you thought early on? This. This seems to be a fruitful area to research more into.
Dr. Robert King
It became obvious from a fairly early stage that a number of the people who are opining about female orgasm, we're not studying sex at all. Not in any kind of, you know, sense of actually being in the room with other people having sex. That's why I start off the book by talking about animals in zoos and mating captivity. Because what was being studied in laboratories just felt a lot like studying mating in captivity. And that doesn't. Doesn't capture the range of what humans are up to or interested in. It doesn't capture the range of other animals are interested, makes them interesting either, to be honest. I mean, it's, you know, that's why I start off the book talking about COVID and the fact that I live next to Fota, which is a terrific wildlife park and I recommend it highly. And we have the. The breeding group of a number of animals. Giraffes, cheetahs. We've got some new tigers there. What else have we got? Lions. And they've all had babies. And one of the reasons they have babies is because they have privacy. They can hide away from humans when they don't. Don't want to play with us and do want to play with each other.
Interviewer
What does sex research in the lab look like when it's done well when it's done badly. What are the mechanisms of, of how you do this?
Dr. Robert King
Well, I'm not, I mean, I said I'm not, not gonna reject all lab based research, but one of the primary platforms on which a lot of sex research is based is listeners will probably have heard of Masters and Johnson because there was a TV series about them. I think it's called Masters of Sex a few years back. And they are, they're the sort of the famous sex researchers from the 60s. And the essence of their research into female orgasm was to get half a dozen women to get them to masturbate orgasm in a lab. And they inserted a glass tube which they called Ulysses inside them, which had a camera and they measured the results. And genuinely that was the, that was the platform on which they based the whole idea that female orgasm didn't really have any function.
Interviewer
Right. Slightly.
Dr. Robert King
I wouldn't say it was done badly, but I would just say that it wasn't the final word.
Interviewer
Okay, and what does better sex research or female orgasm research in a lab look like?
Dr. Robert King
Well, the, at the same time Marson Johnson were doing their stuff in labs, there was a team in England, the Foxes, who were both doctors. They're also, they were married and they were having sex in their own marital bedroom. And the very intrepid kind of pioneers and heroes of the field. So Dr. Fox Mrs. Inserted a telemetry device and a pressure change device inside herself and had sex with her husband on the marital bed. And they measured the pressure changes.
Interviewer
Okay, that sounds like. Yeah, pioneering work.
Dr. Robert King
Yes, and they found some very interesting. I mean, I'm just giving one example of the work that was done, but it was that they found something that Marston Johnson didn't, which was a female orgasm is associated. I mean, they studied oxytocin action and they studied pressure uterine intrauterine pressure changes. And that provides a mechanism for orgasm to increase fertility. So in many ways they were sort of the foundation of the thread that we picked up 50 years later. There are other people in that thread. It's not just me and our team and the Foxes. There's a huge team in Central Europe led by a guy called Ludwig Wildt who did a whole load of stuff on oxytocin throughout the late 80s and 90s as well. And they sort of amplified this research.
Interviewer
What do most people get wrong when it comes to understanding female orgasm?
Dr. Robert King
Oh, blimey. Well, I think because it's comparatively difficult to bring about, there has to be something wrong either with women or with nature in general or with. No, actually, no, those are the two dominant fields. So rather than thinking that women are picky and choosy in other fields and you can apply that principle to their orgasmic response, they sort of go, well, either women are sort of psychologically broken, which is basically Freud's theory, or that they're just just badly designed by a capricious nature, which is the byproduct theory.
Interviewer
Go a little deeper on the byproduct theory for me.
Dr. Robert King
Okay, so starting off in the 1970s with a pioneer called Simons, he wrote a book called the Evolution of Human Sexuality. Back in the 70s, it was the full structure and nature of the clitoris. You might have been mistaken for thinking that it was, as he described it, which was something a bit like a male nipple. And that is sort of small, functionless, external, and not particularly interesting. Now, actually, if you delved even into the specialist research at the time, I mean, that story would not have got off the ground because actually there were people who knew that wasn't true. But it was possible to believe that in the 1970s. By the time we got to the 1990s, it really wasn't possible to believe that. However, the idea had sort of taken root that the main area of sensitivity in women was external. And therefore it was plausible, for example, that it was almost impossible to generate orgasm through normal penetrative intercourse. And the idea behind it was. And Steve Gould. I mean, part of this was publicized by Steve Gould, who was an extremely famous and popular paleontologist. And because he was considered to be a big supporter of evolutionary theory, and particularly in the states, where evolution is sort of massively politicized, and it also became a religious thing. The fact that he was a supporter of evolution meant that people were willing to elide over the fact that he was politically very opposed to the applying of evolutionary theory to human beings. I mean, to put it bluntly, he thought that if human beings started applying evolutionary theory to themselves, they'd all turn into fascists. So the important thing to do was to stop them. And this is me saying this. I mean, his evolution for the people group sort of pretty much said that. And he championed this idea that female orgasm was a byproduct. And then Elizabeth Lloyd was his sort of protege and colleague. And so her book was the one I read that was. That was the one that started me off.
Interviewer
Is this. Is this similar to sort of looking at it like a spandrel of some kind?
Dr. Robert King
Yes, yes. The whole spandrel thing, yeah. That would be A very good example of Gould's kind of thinking on this. I mean, you know, they're not called spandrels. In fact, this would be typical of Steve Gould. His famous paper is called the Spandrels of Samarcos. And it's this idea that these, these ornate structures weren't actually integral to the structure of the cathedral, they're just byproducts. But actually the, the structures in question aren't even called spandrels, they're called pendatives. And in fact they are integral to the structure.
Interviewer
Oh for fuck's sake. Right, okay, so I'm wrong twice.
Dr. Robert King
No, no, no, you're not wrong at all. You're accurately reporting what the literature says. It's just that Steve Gould is just notorious for this. He will sort of drop these things into. And then people will sort of pick it up and they'll go around and they'll say things like, oh, well, you know, these things are just spandrels. Or all these things are just. I mean, one of his favorites is just so stories. And he's done huge amounts of damage in the literature because people just sort of dismiss adaptive adaptationist ideas and they think that they've got Steve Gould's backing for doing so.
Interviewer
Oh yeah, we are talking the same language here. Okay, so to recap, show you briefly.
Dr. Robert King
Why Steve Gould is wrong. I've just taken a carry. So this, this, this here is a clitoris. And I can't remember whether I said.
Interviewer
That'S not, that's not, that's not a clitoris, that's a Pokemon.
Dr. Robert King
Well, this is, this is a, this is a life size clitoris. And I've been giving these away with the book and the. Because I mean I have, I've got chapters in the book that are obviously devoted to looking at the nature and structure and form and function, all the rest of it. But there is, there is nothing quite so dramatic as just sort of going, clitoris isn't what you think it is. You think it's something like a male nipple, you know, and it isn't. Look, you know, look at the size of it. It's about 4 inches long, most of it. It's got ducts, it's multiply innovated. It's got its own somatosensory cortex associated with it in the brain. And none of those things are true of male nipples.
Interviewer
Is it correct to say that the clitoris is the only part of the human body which is exclusively designed for pleasure?
Dr. Robert King
No, I don't think so. I wouldn't say it is just exclusively designed for pleasure. I think it's not accidentally designed for pleasure, but. Oh, hello, we've. I lost you, I lost you there for a second. But, but pleasure always does a job, doesn't it? If, if something is, if something is, is pleasant for humans. Dan Dennett does a nice talk on this, on a TED talk a couple years back. So what's it called? Sweet, Cute, Sexy, Funny, I think is the name of the talk. The, the order might be different. And his point, which I think is a very good one, it's is that if nature needs you to do a job which would otherwise be a choreograph, then it makes it pleasurable or it makes it, you know, there is a dose of pleasure.
Interviewer
Right. Maybe I should have reworded what I said. The proximate reason for the clitoris is pleasure. And are you aware of any other areas of the human body where the proximate reason for their existence is also just pleasure?
Dr. Robert King
So that's an interesting question. I think you're almost certainly right insofar as it's got the highest concentration penetration of nerve endings associated with pleasure. So women are lucky that way. And there is this, there is this old story, isn't there, that the guy Tiresias who was the prophet, apparently the reason he was made blind by the gods was because he'd been a man and a woman various times. And somebody asked him, so you know, give us what's the $64,000 questionnaire? Who has the most fun during sex? And he went, oh, women, easily. And so they blinded him because you're not allowed to say that in public if you're a Greek prophet.
Interviewer
Interestingly, I remember listening to a podcast talking about either men who transitioned or women who transitioned and the difference in the experience of orgasm when, when they had different hormonal profiles and the pivot, I think it was female to male and the difference being much more local. Well, actually, you can tell me, have you looked at this? Is this something?
Dr. Robert King
It's not? It's not. I mean, I don't, I hang around people who do a lot of that kind of research. I don't, I don't do it directly, but the glands of the clitoris. So the bit that a lot of people are talking about is. So if you imagine sort of the, the walls of the lips of the vulva sort of around there, the bit that's visible is what people think of as the clitoris and it's the glands of the clitoris and that's where the Bulk of the nerve endings are, and that's a bit which you want to keep. If you're doing vaginoplasty, you want to make sure that that stays around, because otherwise. Or if you're doing phalloplasty, that's where a lot of the nerve endings are. But.
Interviewer
So if Freud women are psychologically broken, that's not a thing. If we're saying it's not a spandrel, that it's not some byproduct like male nipples, how is the female orgasm adaptive? Can you make the case for the other side of this argument?
Dr. Robert King
Sure. Well, I think one of the difficulties is that if you ask women about their orgasms, quite often they'll say, well, you know, which ones do you mean? So just park that for a second. Because their experiences are more multifaceted than the male ones, but parking that for a moment. The common thread that runs through pretty much all of this is oxytocin mediated peristalsis. And the thing that's kind of interesting about that is, so peristalsis is the pulsing, which creates pressure changes. And administering oxytocin artificially, which is what the Wild team did in the 90s, will create those pressure changes and they'll create movement in the oviduct. But orgasm creates a big flow of oxytocin. It has the same effect. We've known about this in humans for 50 years. That was the basis of the fox studies. And we know about it in animal models going back nearly 100 years. Particularly there's German research going back into the late 20s, early 30s, looking at rapid sperm transport in rats, dogs, rabbits, and then animals that are important for agriculture, like she and pigs and cattle and horses. Now, we don't know what those animals are experiencing. And that's, that's the advantage of being a human ethologist, is you can go up and you can sort of go, you know, to your human participants. Do you feel. And you've got a big long list of things that we know oxytocin does. Like it makes you feel floaty, it gives you a sense of trust, it creates breath apnea, or. And you can also say they can tick these things off and go, yep, I get that. Yep, I get that. You can't ask that of dogs and horses, but you can, you can still measure the oxytocin levels. Does that, does that answer the question? Or am I, am I going around it obliquely?
Interviewer
No, not at all. I think it increases oxytocin levels. But when most people think about oxytocin, we're thinking about pair bonding. We're thinking about sort of lovey dovey sense of buy in. We're thinking about, well, you know, we need to stick together if we're going to eventually have kids and I need to be invested in you and I need to see you not as an altar, a stranger, but as kin. But you're talking about other stuff. You're just not just talking about pair bonding effects of oxytocin. So what else is it doing?
Dr. Robert King
It's even more basic than that. It looks like, and this is going back phylogenetically, it looks like the origin of oxytocin is milk production. So it's the basic mammalian hormone and the thing that it seems to have been primarily associated with is producing milk. So yeah, that we are mammals, it just, it has these other functions as well. And as the, as the milk production started coexisting with the other features of being mammals. Like for example, having altricial young. Not, not all, not all mammals have altricial young, but some of them do altruistial. So they, they need a lot of, need a lot of care. So they, I mean they need to hang around, I'm sorry, all mammals need to hang around the mother a bit because they're, they're being mammals, they're suckling milk. But some of them need a lot more care than human babies need the most care of all. And creating a bond between the, the mother and the baby is, is another function of oxytocin. And it looks like nature was just lazy and it just went, well, we can, we can, we can do this with, with, with mothers and offspring. This is one of the, this one of the things that's, that's interesting about Freud. Freud sort of thought that males would be, would be shocked if they realized that the, the sort of, the, the nurturing instincts, the sort of, the, the sex instincts were being turned into nurturing instincts. And like a lot of things with Freud, I think he got it precisely the wrong way round. The primary instinct was bonding with offspring and some of that is just sort of over spilled into going, oh, it's probably nice to keep a guy around as well.
Interviewer
Right. So what is happening mechanically that is adaptive with regards to female orgasm? Presumably it's doing something to do with likelihood of conception or something else. Before we even get into the interpretation, the sort of like social relational aspects of this, what like mechanically, how does it help or hinder?
Dr. Robert King
So the uterine peristalsis creates pressure changes and you can actually Measure the movement of sperm like product. Now this is where it becomes this way. It becomes difficult, of course, to do this in laboratories. So we sort of have to measure these things in various different ways. The Fox team actually measured the pressure changes directly while they were having sex. And then they also measured similar effects by just administering oxytocin. Vil's team expanded this out and I think eventually they measured up, ended up measuring certainly 100, it might have been even twice that. Women with large oxytocin doses and then introducing spermatogenic sperm like material. And then we came around in 2016 and came up with a way of measuring backflow. So there's a phenomenon called backflow, which is up to an hour after sex, the vagina will eject material from the reproductive tract. And you can measure the amount that's come out now if you will. People know what a moon cup is. It's a device that you can use for collecting period fluid if you don't want to insert things. Now if we just produced a method for injecting something that was like a sperm like material, putting in a moon cup and then creating a deep orgasm inside the woman in question and then measuring up to an hour later what came out, and 15 to 20% less comes out if she's had an orgasm.
Interviewer
Right. Is the timing important? I have to assume that if you've got the fluid in and then the orgasm happens, that that's more effective than the other way around. But that I'm gonna guess on average is less likely to happen. Given that once the man's done, he's done.
Dr. Robert King
It'S very difficult to measure. We need to come up with a method of injecting a known amount inside. And of course, men will vary in the amount. They're produc. You can't tell how much is coming out unless you've controlled what's going in. And if you're doing that, then obviously you're moving away from actual intercourse. So like a lot of these things, it's extremely difficult to produce. One study that just sort of smokes timing though.
Interviewer
I mean, in terms, if what you're saying is that there is this change in pressure, which it seems like sort of sucks semen up towards where it needs to go. In sort of simple people language. If that is created by orgasm, or if that's more prevalent when orgasm is reached than when it's not, then I have to assume that it means you need the substance in there and then for female orgasm to occur for that to happen. But that's not the way round that sex works.
Dr. Robert King
Oh, I see, yeah, right, yes. No, I see what you're saying. Yeah. It looks like the orgasm is one thing and the movement of maternity material is another. So there is quite possibly an initial movement along with the orgasm. But once orgasm is happening, so what's oxytocin levels are raised, then it looks like those pressure changes are actually persist for quite a while. And it's not just the bit where you're feeling pleasure that insock is happening, although I would hazard a guess that it's heightened at that moment. But we've not measured that bit directly. And I think that it was precisely that that got Baker and Bellis confused in the 90s, because I think they thought that women were timing their orgasm and the orgasm itself was creating insock and that they were then generating sperm wars. Have you come across this research?
Interviewer
Is this like sperm competition?
Dr. Robert King
Yes, the sort of the direct sperm competition. And this is the stuff that hasn't been replicated. My suspicion is that what they were looking for was something where the orgasm just caused more or less an instant hit. So you would have to have. You'd have to have sperm from rivals in there at sort of the same kind of time and have a sperm war between them. And it was all. It was all exciting and dramatic stuff, but it's defied replication, I'm afraid.
Interviewer
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Dr. Robert King
Right? So when we first started off doing this and we, we just sort of really just opened it up to ask women what, you know, what should scientists be asking them? And a significant number, not all, but a significant number said so, well, that's a dumb question. Which ones do you mean? And they said, well, you, you know. And we said, well, you, you tell us which ones you mean. And they come up with various kinds of descriptors of, of location, intensity, and associated feelings. And so that was, that was just sort of qualitative stuff just to get us off thinking about it. And so we then created a questionnaire which, which asked people. We're very, very careful because there's been this big history of separating orgasms into clitoral and vaginal. And that sort of goes back to Freud and, and other people as well. And it has, it has a lot of history behind it and it's also what Masters and Johnson were trying to overturn. So we're very, very careful to stay away from those things for a whole bunch of reasons. Partly the history, and also because, as I was just showing with the clitoris, the clitoris is the seat of orgasm, but it's quite a large organ and all female orgasms seem to involve the clitoris in some way. So we wanted to keep away from all of that. But when we just asked women to describe their orgasms with quite a complicated questionnaire and then analyze them, they did seem to fall into two fairly distinct categories. Ones that were very, very broadly, ones that were experienced on the surface, which tended to be more intense, and ones that were experienced deep inside which seemed to have more of the oxytocin elements. Although I have to stress we weren't measuring oxytocin directly. We're measuring plausible concomitants of oxytocin like the breath apnea, the floaty feelings, feelings of trust and all the rest of it. And it looks like the ones that are associated with penetration and deep inside have more of those kinds of things associated with them. However, that doesn't. We didn't want to sort of separate them into, these are better than others. And certainly the women themselves didn't. There's no. There are some sort of neo Freudian scholars who want to sort of argue that, like Freud did, that certain orgasms are More mature than others or mentally healthier than others. And we weren't going down that route.
Interviewer
Right. I guess the obvious link here is that the deeper orgasm with the more oxytocin results in the peristalsis, results in the pressure changes because the deeper orgasm is brought on by something being in there and that something has maybe got some sperm that's coming out the end of it and the surface orgasm is maybe just you on your own or something else. So you don't need that level of oxytocin. Is that the theory?
Dr. Robert King
Something, something like that? Yeah. I mean, although I, I, I, I would be, I have to be honest and say we're going beyond, I'm speculating somewhat because I, you know, we haven't, we haven't measured the oxytocin levels, but it looks like, and, and also, I mean, that would, that would also help explain why we don't need to decide between whether it's a mate choice or a side choice thing. It could be doing both. And it certainly seems to be the case that if you find cultures where, for example, the man giants in Polynesia who were sort of people that Simons was talking about, but I think he was trying to impose a model on a group where it didn't fit, the women in those cultures are very much in charge of the sexuality and the young men in those cultures are not allowed to have sex with the young girls of their own age until they prove themselves on the older women, women. And quite a lot of that involves them having to make sure that the older women have several orgasms before a penis goes anywhere near them. So it looks like when women are calling the shots, they are very happy to have whichever orgasms and they may well all contribute to fertility in some way.
Interviewer
What are the biggest predictors of female orgasm?
Dr. Robert King
Oh, the biggest one we found was attractive partner smell, which we, we found really interesting because that was, that was when we went from the sort of describe your orgasm types to us to, well, describe your partners to us. One of the first things that they said we should ask about was partner smell. And it turned out to be the, I mean, none of these are huge effect sizes, but that's because the sort of data you collect with these things tends to be quite muddy. But it was the largest effect size. And that's interesting because it suggests that the biggest predictor is something to do with genetic compatibility, because that's how we're advertising our genetic compatibility to each with, with smell.
Interviewer
Okay, what else, what are some of the other predictors?
Dr. Robert King
Dominance, sexual dominance and also at the same time considerateness. So those, those things might seem to be pulling in opposite directions, but I actually don't think they are for a bunch of interesting reasons. We also, we also asked a raft of the sort of, the usual bunch of questions that evolutionists ask about things like muscularity and that kind of stuff and none of that, none of that came out. So it looks like people want somebody who is a sexually dominant, but not, but, but also considerate, nice smelling partner who pays close attention and provides deep penetration. Those, those would be, those would be the, the big four.
Interviewer
Okay, where does attraction come into this? Where does level of attraction come into this?
Dr. Robert King
Yes, it's an interesting one, isn't it? I suppose it then depends on how you're going to decompose desire if you're going to break it down into just sort of whether a guy is good looking or not. We haven't actually found anything that's, that's a predictor there, but there's, there's so many confounds in there because they're, women are often not going to go to bed with someone they don't find desirable in the first place. So we need to be able to make discriminate, we need to be able to discriminate between the various guys that the women are talking about. I mean that was, that was what was interesting in the initial, in the, in the 2012 study we did is because we were asking women explicitly to make comparisons between different sexual encounters because we're asking them to describe different orgasms. And I'd like to follow that up with a bunch of other measures because there are some sort of fairly obvious things that make males attractive that as far as we know so far aren't predictive of orgasm. So I mean I haven't done this research myself, but Dan Nettle and I've just forgotten the guy's name. His student at the time, Tom. It'll come back to me. They looked at things like finance and that didn't seem to have an effect. I think some people have looked at height and that doesn't seem to have had an effect. They're the kind of things you think might, because you might think, well these would spark off certain triggers saying high status, prestige, all of that kind of stuff and not for a second saying that they aren't there to be measured. But we haven't measured them in such a way yet that they've come out as being predictive.
Interviewer
I suppose it's interesting because trying to get a Representative sample of men having sex with women would require women to get rid of their filter for which men they want to have sex with. It's like, no, no, no, no. You must have sex with one from each category. It's like, no, I've already pre selected. So when you try and control for other things, it's pretty difficult.
Dr. Robert King
Yes, I mean, and it's one of the reasons why we have to use data which are not necessarily the most. Most. But we can't do randomized control trials here, alas. And, and if we could, the ethics, the ethics teams wouldn't let us. I'm pretty confident of that getting in the way again.
Interviewer
Okay, how much, how much of female desire of men is driven by other females desire of those same men, do you think?
Dr. Robert King
Yes, considerable. I mean there are female groupies, there aren't male groupies and there's good reasons for that.
Interviewer
Female rock star.
Dr. Robert King
Well, right, yes. No, you, I mean you, you, you, you know all about this stuff. You know, the, the whole Fisherian sexy sun stuff. Women need to queue off one another because what counts as being success in the local environment is not always immediately obvious, whereas what counts as being fertile in the local environment is, is, is obvious. Men, men have a baseline, you know, what they find attractive and, and I mean women might do as well, but it's, it's, it's a considerably different one. I mean the number of men who can just get away with, with being beautiful. Well, we know their names. You know, they're the ones who can be on telly, being models and being film stars. All the rest of it. The rest of us have to have some other kinds of qualities to play.
Interviewer
The guitar or do poetry.
Dr. Robert King
That's the kind of thing. Yes. Yeah. And there's a reason why those groupies get all excited because it makes sense. You know, if a local peacock is just slightly more pretty because his feathers are slightly brighter, then he might have sons who feathers are also brighter. And so it makes sense for them to queue off each other which they seem to.
Interviewer
Sexy sun hypothesis is so fascinating to me and it makes an awful lot of sense. I remember seeing, I remember seeing some fascinating research around the attitudes of women to casual sex based on whether they had sons or daughters.
Dr. Robert King
Oh yeah.
Interviewer
So interesting to me like that, that I guess like ecological component of how we show up of how our programming can be adapted to the local environment. Okay, so what?
Dr. Robert King
And it's also one of the reasons, I think a lot of the time that we men are blind to female, female competition because There's a real. I mean the mere existence of a sexy son's hypothesis immediately means that there's going to be a tension, doesn't there? Because the women are going to be.
Interviewer
The sexiest son creator out there and then if you don't get him, then that means you need to get someone else who's gonna get him. Yeah, well, I mean, I suppose, you know, going back to the groupies thing, the idea of lots of other men competing for the same woman as you is very different to the idea of other women competing for the same man that you're after. I guess in the same way that men like to go to the gym in order to get bigger muscles, the kind of male, male competition is inherently exciting. But I don't. You're totally right. Like, I don't know. And I suppose the other, the other issue that you have is because women are so much more choosy. The pool, the groupie pool that you're pulling from as a woman of high, I mean like what do you even. What's the level of attractiveness? Like status. The guys don't care about your status. But that comparatively, you know, I'm speaking in very broad strokes here, they don't care about your ability to acquire resources. They don't that much about your level of competence beyond being smart, you know, being nice, being caring, being funny, conscientious. Like stuff that people that have done a bit of work will have an understanding of. But for the most part, you know, the most talented woman on the planet is competing with a 21 year old barista from Starbucks. And it's I guess in some ways kind of a much more vicious hierarchy. And then in other ways men's hierarchy is much more vicious as well because it's much more sort of winner takes all. But yeah, you're so, I mean, female intersexual competition for me, I spent basically probably half of 20, 23 just obsessing over intrasexual competition, especially among women.
Dr. Robert King
You had Bennison on your show, didn't you?
Interviewer
Joseph Bennison's been on, Christina Durante's been on, Sarah Hill's been on, Corey Clark came up like, you know, I've done the rounds, so to speak.
Dr. Robert King
First rate scientists. These are terrific people to have on because I think men often need, they need their. We need our eyes open to this because otherwise, you know, we just miss stuff.
Interviewer
Well, we do, but I look, I think it's fascinating to observe the kind of very fine scalpel that women use the way like Venting, if you. Have you looked at venting much?
Dr. Robert King
Nope.
Interviewer
Oh, sit down.
Dr. Robert King
Tell me about venting.
Interviewer
Let me spin you a yarn. So venting is a really unique type of gossip. Venting is gossip disguised as compassion. So if I'm saying to you, I'm Christina, you're Regina, and I'm saying, Regina, I'm really worried about Emma. You know, she's just sleeping with all of these guys, and I'm just really worried that she's gonna get hurt or, you know, like, it's just. I mean, I would never. I. I couldn't do that. I couldn't do that to myself. I'm just really worried about her. And so what am I saying in that short sentence? What am I telling you? I'm telling you about how much sex she's having. I'm positioning myself morally in terms of purity, fecundity, all that sort of stuff. Above. I. I would never. It allows me to derogate a potential sexual rival whilst couching it in care and compassion. So if I ever get called up, it's abs. Look, I'm sorry, but I'm just worried about you. And I didn't think she was gonna tell anybody either. And it is. And guys are just. It just goes past us. We just. We're absolutely blind to it. We're like the kid from the Sixth Sense, but in reverse, right?
Dr. Robert King
Yes. Yeah. No. I first had my eyes open to this by. I told you I was a school teacher, and I. The. Some of the students I was teaching going, you know, why. Why don't we study female. Female competition? I mean, and this was this a few years ago now, 20, 25 years ago. We don't really study that well. You should, you know, and we had an afternoon, so they made me watch Mean Girls and. And it was just sort of. Okay. So I realized there's a. This sort of world that I'm aware of, but like a dog, you know, there were these whistles I wasn't picking up. And then we've just. In the last 30 years, I've seen it happen. We've just got. We've got far more female scientists doing behavioral science. And, you know, they're just not letting that kind of stuff not be studied. And it's sexy. I mean, I don't think it was. I don't think it was the. The men being sort of deliberately sexist. It's just we weren't picking up on those things a lot of the time.
Interviewer
I mean. I mean, come on. There's. There's Ways that men compete. I actually know that's a lie. I was, I was going to try and make some equivocation but it's wrong because male competition is very upfront. It's very obvious female competition, but female competition. I'm just going to go down the intersexual thing. I want to show off to you for a second. The reason that female intersexual competition is so subtle and couched and deniable. I think that's really, really important. The fact that the deniability of it, the reason for that is that that on average women are more fragile and more valuable. Right. They can't afford to lose them and they are easier to kill basically is one.
Dr. Robert King
And also frequently, I think in history, not around their kin. I think that was a big, that's a big feature as well. They've had to form coalitions. Yeah, yeah.
Interviewer
What's that called? Patrol local.
Dr. Robert King
Yes, yeah, yeah.
Interviewer
So they've been patrol localized, I guess. And what this means is if you try to start a fight with fists as a woman, well, the woman that's up against you, like the damage is going to be maybe quite high and it's a big risk and all the rest of it. So you have to use these very subtle forms of status interplay. And one of the, one of the real concerns, again because there is a guy at the top, but the guys tend to be more collaborative when it comes to looking at how the status hierarchy works. Because someone can be really great in one area but not in the other. Whereas because this might be a controversial thing to say, the winner takes all happens for women too. Right. Because they get the guy, they get the guy who's got the most resources. So they're downstream from his level of status also. And there's this great, really great study. I think it was Joyce Benninson that I can't remember quite who did it. Female basketball players on the same team show less physical affection to each other than male basketball players on opposite teams.
Dr. Robert King
Yeah, I remember the study. Yes.
Interviewer
No, that was so interesting.
Dr. Robert King
I've got a colleague, a colleague in pretty much the next office to me and she, she was a national level player. I come in what she, I think, I think hypothesis. She absolutely agreed with it and she said, no, I've been on the receiving end of that repeatedly. I could, I could show you, I could take you to places and show you that in action. She said this is absolutely true. True. Yeah. And have you seen the, the research done on the number of deaths among children of co. Wives so there's, I think, I think, I think is it the dugong. Don't quote me on this because I'd have to look it up. But there's, there is a, there's a, a group where they're still to some extent polygamous and the, the, the law courts of particular countries, one of the, one of the, the ex French colonies are largely taken up with poisoning beginnings where the, is this Cinderella effect stuff. Yeah, well you're, well except the, yes, they're, they're, but they're, they're the still living step parents. So you, so the, the high status man will have three or four wives but, but a couple of, the couple of the sons of one of the wives is the child mortality is a lot higher than it should be. That kind of stuff. So there's a lot of tensions going on beneath the surface of humans, you know and we, and we, we sort of, and I, I think sex researchers, we because we tend to be sort of of softy liberal indoor types, we tend to sort of assume that everybody would like to everyone else to have sort of mutually satisfying sex lives. And so when we actually come across the reality of human sexuality can be, can be a bit of, a bit damaging because of course it's not true, you know.
Interviewer
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Dr. Robert King
I. I wouldn't believe that was. That was one of the things that really got me interested. I mean, way, way back before I. I switched careers. But back when I was doing my first degree, there was. I was. I'd be about 19, had a new girlfriend. There was a friend of ours doing the degree. She was a lot older than us. She was actually. She was the editor of the Face, so she was almost a generation older than us. And I remember we were at the pub and she said, well, how do you know she's not faking with you? And it wasn't quite the scene from where Harry Met Sally, but it was sort of. And I just remember thinking, just in my innocence, I was going, why would you. It'd be like sort of. And then the whole table just sort of erupted in laughter because, you know, can you explain.
Interviewer
Go a little, little bit more deeply into the reveal, the veil of what you're talking about here?
Dr. Robert King
Yeah, well, so, I mean, invariably, I'll. I mean, if I do talks on this, I'll. I'll play that scene from where Harry met Sally, the, the famous one, you know, where she. She fakes an orgasm and everybody sort of collapses into laughter. And it's a great scene, but it's also a very curious event when you think about it. I mean, if, you know, if I. If I. If we had a game of tennis, I mean, it'd be a very bad idea because I'm. I can't play the game. But yeah, imagine. Imagine that, you know, I could and I sort of go, well, you know, I had a great game with, with, with Chris and, and Chris. Idiot. Rob, you thinks I enjoyed that game of tennis. I didn't have a good time at all. Idiot. Yeah, I mean, it wouldn't make any sense. You know, this is meant to be something of mutual enjoyment. And yet somehow it's sort of obvious to people that. And so you look at the proximate level and women will say, well, of course I'm faking it because I'm. I'm bored with him. I just want him to stop. Or he's just. He's not pressing the right buttons. And I Felt sorry for him or it's his ego. And all of those things might be true, but they're very superficial. They don't take us to the, the, the number of anything that firstly, they don't tell us why men are interested in it as a signal. I mean, that. So that's so. So male comedians might turn around, go, well, I don't care. So she's faking it. I'm fine with that, you know, which they're not. But you know, they can make a joke out of it. Secondly, it doesn't. Doesn't explain why, why you go to that kind of effort to signal because, I mean, women are usually quite happy to turn around and tell men they're not interested in them. You know, that's not usually a problem for women to got to go. Not if you, you know, even, even in, you know, they'll say things like, even in a competition of 0 of women, 1, you'd be a loser. You know, which is what's. If you were the last guy on earth, I wouldn't sleep. That's right. Yeah. Even in a competition of one, you still come out zero. So yeah, women aren't usually that shy about say so why in this case. And I think once you start thinking about these things in terms of signals, then you start thinking, well, what exactly is being signaled here? One of the things is being signaled for the guy. I mean, I think. And I was, I was before COVID happened. Have you had Athena on your show? Athena at Keepis? She does, yes.
Interviewer
Didn't she do stuff about the end of the world?
Dr. Robert King
She did do stuff about zombies in the end of the world. Yes, yes.
Interviewer
Yeah.
Dr. Robert King
Yeah. I. And at one point we were in touch with. She did a lot of stuff about laughter and we were going to do a joint thing about laughter and then sort of think Kobe came along and various other things got in the way. But one of the main things she found was that laughter can be faked and that you can actually, you can look at the sound pattern of laughter being faked and basically, if it's voiced, it's. It's more likely to be fake. So if I go half, you know, that's, that's an obviously fake love and there. But there are some edge cases where it's not obvious where it's fake to like. And we're going to apply the same thing to orgasms because there are, there are signals of orgasms that are voiced and unvoiced and the moment you start bringing that into it. So why. Yeah, why do people fake laughter? Well, because laughter is a signal that you're accepted. Laughter is a signal that you're dominant. Laughter is a signal that somebody likes you, you know, and those are all kinds of things you might want somebody to think even if they're not true. And so why would, why would somebody want to think that, you know, that they orgasm when they haven't? Well, similar kinds of ideas, you know, that actually you have got a good chance of making this person pregnant, therefore you should invest or you, you know, this person is attached to you even if they're not. And at some point it'd be nice to do a follow up and, and apply the stuff that she was saying about laughter to, to orgasm sounds. The, the other thing of course is you're not just signaling to the guy. You, you could also be signaling to people around, you know, this guy is now attached to me.
Interviewer
Listen to in the same way. This is a really cool intrasexual competition insight around women who get their husbands to buy them expensive handbags. So the, the unique thing about handbags is that it is a kind of signal like plastic surgery. A lot of the money that gets spent by women is beautification. But beautification is something that's picked up by men. But there are certain types of, of I guess enhancement in some ways of certain types of expenditure that are only picked up by women. And these are the ones that are really interesting. And you know a niche collector's edition handbag.
Dr. Robert King
Oh yeah, like that 8 million pound one that was sold the other day.
Interviewer
I didn't see that, but I imagine probably something like that. And you go, okay, well what is that saying? It's saying only to other women, women beware. My husband is so invested in me that he's got this fucking niche mulberry bag that's got the orange liner and the longer strap, whatever, whatever. So it's a special type of signal like that. And I suppose it's not too dissimilar in this way. So I guess what's interesting here is sex we think of as being cooperative unless it's coercive and that that's a world that we don't want to talk about. Sex is cooperative, but you've just made the case there that sex can absolutely be competitive and deceptive as well.
Dr. Robert King
Oh yeah, no, it has all of those things associated with it. And the thing is, one of the things I find fascinating is we kind of know this and yet we keep on pretending that we don't. Let me give an Example of exactly what I mean by sort of pretending we don't know it. So roughly every generation the same book basically gets published. And it's always written anonymously by a woman. And it has the same plot, which is you have a sexually dominant male who is brought to realize that he wants to commit. Yeah, he wants to commit to this particular female. There are always very strong BDSM elements to it. There is a non accidental spread of male names. They're quite often Mr. Gray. Quite often they just have a title like a Captain. They don't have full names at all. There are often very strong BDSM themes. There is. There's Anais Nin's Delta Venus. There was Emmanuel by Emanuel. There was Nine and a Half Weeks. There was Secretary, which was why missed out Story of O and of course 50 shades of gray. And each time one of these books comes out, people go, oh my God, you know, this is a woman being subjected to the evils of the patriarchy. What man has written this? And, and, and, and, but we just keep doing this for ourselves as a species. And a woman comes out and she goes, no, I wrote this. And then, and then the reason you've heard all of those is because a movie has been made out of each one of those very successfully to which women dragged their men folk in droves, going, be a bit more like that. And then we, and then, and then we just pretend it doesn't happen again. And I tried to write a bit about this in the book because I'm not saying it's the only female fantasies. Far from it. But it's, it's a, it's a not uncommon one. It's a not uncommon pattern.
Interviewer
So fascinating insight on that.
Dr. Robert King
Who is.
Interviewer
Who is the. I'm gonna have to be really crude here. I'm gonna, I'm gonna have to be really crude because I can't, I can't remember a fucking name. Who is the blonde haired, big boobed sex researcher who did the come on face research?
Dr. Robert King
Oh, not, not, not, not. Well, I mean, I've got. No, thing is I know these people. So whatever I say, I could, I could get myself in trouble here. I' Catherine Salmon.
Interviewer
Salmon. Thank you. Don't say the second one. No need to say the second one. Get yourself. Catherine. Catherine Salmon told me. And this is one my, this is one of my favorite insights. When you had the ascendancy of the dark romance genre, there was, as you've kind of alluded to there, a little bit of a pushback. Well, this is A. A very sort of barbaric base perspective, the female sexuality. It seems to pedestalize the man in a way. It has a lot of elements of dominance that we don't like. And in a time where time's up and me too, and all that stuff was coming about, there was a sense that this needed to be sanitized a little bit. So they came out with. Have you heard of golden retriever husbands or cinnamon roll husbands? Okay, I haven't the reason I know.
Dr. Robert King
This, but I shall write this down because although I don't want to forget it.
Interviewer
Well, thankfully, we're recording it, so. Cinnamon roll husbands. Golden retriever husbands. I spent. I spent every summer from the age of 26 to about 32 traveling to America because I was a cover model for dark romance book.
Dr. Robert King
Right. Oh, right. Oh, you're the guy who was on those book. Okay, that makes sense.
Interviewer
I'm on. I'm on quite a few. And one what was fascinating, what they would do is they would fly out the male models and imagine a freshers fair, any kind of convention. What you want is people to come to your stall. What's a great way, if you're an author of dark romance, to get people to come to the stall? Put the model that's on the COVID and you can get a photo and he'll sign your book, and the author will sign your book and you sell more books. Right. And the bigger authors realized that if they flew the models out, that they would sell so many more, but books that it compensated for my flight plus, you know, cash to pay me to eat.
Dr. Robert King
Very nice. Yeah.
Interviewer
Yeah, it was very fun. But what I noticed was some of the books, some of the stands had these guys that were very non dominant. Not heavy brow, not built, not high, you know, not V shaped. All of the cues, typically not brooding. And Catherine brought this up on the episode and she said, this is.
Dr. Robert King
Don't tell me we.
Interviewer
Guess this was intended attempt. You can see where I'm gonna go here. This was an attempt to try and sanitize the overly patriarchal, worryingly dominant world that we had and unfortunately didn't sell.
Dr. Robert King
Yeah.
Interviewer
That being said. That being said, I'm gonna balance it out. The. The man that you fantasize about is not the man that you want to get into a relationship with.
Dr. Robert King
Sure.
Interviewer
And in the same way guys might watch. And this is for men. When we're talking about visual stuff with men. Like, this is a really big effect. Right. If it. If it's. If men want to say no to a woman who's attractive in a kind of a way. Men will happily watch porn of a woman that they would probably not marry.
Dr. Robert King
Oh, sure, yes, right.
Interviewer
So you go, oh my God, like there's a hot woman that you want to have sex with that you wouldn't marry. Like that's a. You know what? It wasn't insane. So you go, okay, well, even in men we can see this effect, but in women, absolutely. Because what is it that you're looking for, Mikey? You're wanting this guy who's got all of this attention. And I think that this, you know, going back to the male groupies for women as opposed to female groupies for men. The main concern that you have as a guy is cuckoldry. And if you've got this orbiting pool of a bunch of other men that makes that partner less desirable because you think, well, fuck, how much additional energy am I gonna have to expend with my mate guarding and my jealousy and you intersexual and intersexual competent, all this.
Dr. Robert King
Okay, sure. And there's, there's a big sort of short term, long term mating split as well. I mean, the, the people that we might consider in general, I think men would lower their standards for one night stands. Women tend to raise their standards for one night stands, like that kind of stuff. And.
Interviewer
Oh, that's, that's a perfect, that's a way quicker way of saying what I just said, that's perfect.
Dr. Robert King
But, but, but, but. And there's, there's very good reasons why that would be the case. You know, and I think we, if we're actually going to be a bit, you know, if we're going to sort of learn, I mean, as a species, as a culture, if we're going to learn from this and sort of move forward and sort of, you know, we. One of the things I talk about in the book is, is aloof and intimate societies. And aloof societies are ones where the sexes just don't get on. They don't talk to each other. They live in separate villages. They can live in separate parts of the same villages, set parts of the same village. Sometimes they have different languages. And there are quite a lot of cultures that are like this and they still have to come together and have sex. And the women, they're quite, quite often. The anthropologists call these female gardening ecologists, which is sort of code for. The women do all the real work and the men preen and make magnificent spears and fly into magnificent rages and have duels with each other all the time. And there are cultures that are, that are like that. And to some extent the English public school system modeled itself to a bit, you know, on things like Rome and Sparta and places like that. The, the trouble with places like that is, you know, the men in it are very exciting, but they're, they're just, they, they're not, they're not doing the housework and they're, you know, you probably wouldn't want them around the house. They're, they're not, they're not properly domesticated. But that doesn't mean we can't pretend. You know, if, if women find those kinds of guys sexy, well, you know, we are, we are, we are very much a species that can pretend to do things. And this is one of the things that those, those movies I was describing and the books I was describing get into. You know, they, they get into role play, they get into pretending. And if you read women's fantasies, they have a lot of that stuff going on. It doesn't need, it doesn't need to be that. What's it a. Dan Savage, the sex advice columnist, he calls a lot of bdsm. He says it's kind of like cops and robbers but with your pants off, I think, which is sort of. Yeah.
Interviewer
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Dr. Robert King
Just being famous. Yeah. I mean, Colin Firth came to the school where I taught, not for long before I left. And one of my students showed him around the school because he was thinking of sending his kid there. And she was one of the sixth former, so she'd be at 17 or 18. And she came back to the class and she was appalled at the behavior. And then this is the, this is the funny bit. She was pulled at the behavior of the female staff who were following him around the school, spying on him and just behaving like just. I mean it was now, I mean he's a good looking fella, but, you know, mainly because he's famous. You know, he's. He's been presented to them as who was Mr. Darcy, wasn't it? I think it was at the time. You know, he's a good looking chap, but he's. He's not the best looking chap. He's not the only good looking chap. But the fact that he was sort of the object of desire in certain films just meant that. And I think he was just, he was just bored with it by that stage.
Interviewer
Yeah. Okay, so getting back to Sex. Just do a recap for me of what the predictors are. It was good smell. So immunocompatibility. Yeah, it was dominance.
Dr. Robert King
Dominance penetrated vigor and vigor. Yeah, yeah, we went there, yeah. And also considered considerate.
Interviewer
So give me, give me. We're not, we're not moving on beyond penetrative vigor, I'm afraid. Okay, what's, what's that?
Dr. Robert King
Well, okay, so humans got the largest penises of any primates and they also, let's go. Sound like I'm boasting it, but yeah, we're bigger than gorillas. Well, gorillas compete with them. This one to your listeners, I'm sure gorillas compete with their big 400 pound bodies, but they've got tiny testicles and tiny penises. Chimps are somewhat stronger and they're less dimorphic, but their penises aren't as large. Bonobos are as long as ours, but they're not as thick. But also chimps and bonobos are highly promiscuous and so their testicles are huge because they're producing a lot of sperm. Sperm. Genetic sperma. Genetic material. With humans, one of the things we seem to be competing with is penis size because we are larger than the other primates. And there are some supposed explanations of this based on the head size in the womb. I go into some detail in the book why I think that's unlikely to be the case.
Interviewer
Why that's just, just a, linger there. Is there a suggest or a theory that human penises need to be bigger because babies, heads need to be bigger, which means that women's vaginas need to be sufficiently sized, which means that the penis is playing catch up to the baby head because if it didn't, female pleasure wouldn't be able to be reached.
Dr. Robert King
Yeah, yeah, that is, that, that's, that's kind of roughly the idea I go.
Interviewer
Into some detail about, that our penises were in an arms race against our own babies.
Dr. Robert King
Babies, Yeah. I don't, I don't buy the story. I, as I say, I go into some detail in the book with, with sort of comparative sizes with primate heads and penises. I sort of try and show why, why I don't think that's true. But one of, one of the big clinches is we don't have a baculum. So other animals often they have a penile bone which keeps it stiff and we don't. So there's all this talk of sort of female orgasm being sort of inefficient and there's this idea, well, that shows it's a byproduct. But of course, male. Yeah, male penises aren't always that efficient. That's. That' we have a, a thriving trade in Viagra and, and Cialis, all the rest of it, because it, it takes a certain amount of, of, of health and vitality to produce the kind of penis that will please the, the partner. Yeah.
Interviewer
In that way, does it mean that male erections are a fitness signal identifying?
Dr. Robert King
I think I think so. I, we haven't studied this directly, but yeah, the indirect evidence seems to be, seems to be there. Plus also, you know, if you ask women, they say it is, you know, it's one of those things where we get, get kind of coy about it like, like we just did with, with breast size. I mean, there are these, these, these big signals that we carry around on our bodies that if you ask the opposite, if heterosexual actually. No. Homosexual and heterosexual members of the opposite sex. You know, do you, do you care about this thing? Yeah, of course we do. You know, of course. Of course we notice them and of course we care about them.
Interviewer
What. Is there any data around length versus girth? Is that something that's important?
Dr. Robert King
We asked women about girth and girth was, was the thing that they, they prized the most. That seems to be generally true, that it is, seems to be thickness rather than length. Yeah. And that would make sense because if we come back to my clitoris here, where the penis.
Interviewer
You keep getting confused, Robert. It's a pokemon. You keep getting confused by that.
Dr. Robert King
But it's the, it's the girth that's sort of producing sort of tension here around the, the glands of the clitoris. And this, these, these are regions that themselves become engorged with blood when the woman's aroused. I think that's, that. That is one of the one things that causes a lot of confusion with this is that that, you know, women do need to be more aroused than men do often, and that arousal is quite often internal. But, you know, attention spent there is unlikely to be wasted. You know, and women take, take longer to, to, to get to that point than men. Men do frequently.
Interviewer
Why is it very easy for some women to orgasm even multiple times? It's hard for others and they need a combination of increasingly elaborate stimulation to get there. And it's impossible as well for a final group.
Dr. Robert King
Right. I mean, the simple honest answer is we don't know. And I wouldn't want to suggest that my book is a clinical work. So there could be things that are clinical up with people There could be drug interactions, it could be hormonal interactions. All of that aside, it's. It, it. Well, the things that. Part of the things that confuse it is that it's a. For a variety of reasons, women will have sex when they're not aroused. You know, there could be. And I don't just talk, I'm not just talking about sort of the obvious grizzly cases of coercion. It's just a sort of, oh, let's just get on with it, you know, and I'm not really into it kind of, kind of situation, which I'm sure happens all the time. Also, I think a lot of the time people can only have sex if they're some kind of drug, including alcohol, that, that doesn't help. And they're coy about telling their partners what they want. I mean, one of the ways that you run interference on people, you know, if you're, if, if you're a, if you're a dominant female baboon, you, you go around sort of whacking the other female baboons on the back of the head and that raises their cortisol levels and that, that makes it less likely.
Interviewer
Pushes them out of. Yes. Yeah. Well, this is one of the arguments for concealed female ovulation in humans, right? That it doesn't allow other women to fuck with you when you're ovulating.
Dr. Robert King
Well, we're better than baboons because we do it by just going around and telling people how they're allowed to orgasm. I mean, there is genuinely no culture which is neutral about female orgasm now. And this is where it gets interesting. And I think I've got some speculative suggestions and some patterns, but there are some cultures that celebrate female orgasm. I mean, to the point there are those temples at Karnataka, I think they are, where they've actually got representations on the walls over a thousand years old of how to gener orgasm in everybody, you know, in every possible permutation through to cultures where they chop off bits of the clitoris in order to fibulate people in order to try and prevent them having an orgasm at all. And there's everything in between. And some of the things that are in between are things like use of guilt, use of misinformation, and all kinds of other stuff like that, which are basically just running sexual interference on each other. That's, that's what those mechanisms, that's what those, those behaviors are in. I mean, you just described some great examples with venting, but also, you know, telling people that they have to lie back and think of England is actually a sexual interference strategy, for example.
Interviewer
Yeah, yeah. That if you don't enjoy sex that much, you're not going to be looking for it elsewhere. Which means that my partner who's supposed to be loyal to me isn't going to be taken away by you because you don't actually enjoy sex. Okay. Yeah, I. Look, I, I'm sort of pretty fascinated by the range of physiological blessing and curse that I guess women have got when it comes to their ability to orgasm. Look, I have a non zero sample of partners across my life and aside from a kind of slow linear increase in experience, I've been the same person. So you say that we can't do random controlled trials, but at least I'm a pretty good control because I've been the same person.
Dr. Robert King
You are a longitudinal study. Yeah.
Interviewer
Of myself. Yeah, exactly. And unless I've had wild variation in how much women are attracted to me, which I'm sure that I have, but unless it's been like really, really high, there are, there is a barbell situation spectrum from one end, which is very easy, over and over to another end, which is we could be here for days and it's, it's not going to happen. And I think, you know, the conversation around female orgasm in culture is really interesting because it's almost always laid at, laid at the feet of the man's job to understand the woman's body better. And I think that this is a, it's like noble in a way. Like women are sensitive about their bodies and don't make them more sensitive. Yeah, I haven't seen the same thing. So if, if a woman didn't reach orgasm, a lot of the time it would be, well, why don't you ask your partner to do this? And the foreplay wasn't there and maybe, maybe attraction isn't there and so on and so forth. Very rarely is the finger sort of pointed towards. Well, you know, maybe you're physiologically just unfortunate in this sort of a way or whatever. But if the reverse happens, if you have, I think kind of the only real equivalent that we have as men is not being able to get it up. And. But if that happens, I never see a headline that's like Men not erect women to blame. It's like men not erect, men to blame, Women not orgasming, also men to blame blame. So I do think, I do think.
Dr. Robert King
There'S female sexual selection works. I mean, I mean, yeah, it's, it's, it is our fault. Yeah, no, we, we, we're Right. To feel judged. I mean, we are being, we, we're being judged. Yeah.
Interviewer
At all times.
Dr. Robert King
Your, your, your, your, your performance anxiety is, is, is well, well, well founded. Not, not just yours, I mean, all of ours. You know, I, I mean I, I, I count myself lucky that I was cuter when I was than younger, Younger and older women sort of explain things to me and I pay attention in class. I like the man giants, I suppose, I suppose. One thing, I mean, being less facetious, I mean, we certainly discovered a pattern that women become more orgasmic as they get older. And I think one of the reasons, there's a bunch of reasons for that. One is that they know the kind of men they like. Also they know the kind of activities they like. And also I think they, they, they, they become aware of, of how their potential coyness could be exploited by other people saying, well, you shouldn't do that. You're not allowed to do this. And you know, this would be a bit dirty if you did that and all the rest of it. And they just, they, they reject all of that. They go, screw all that stuff. You know, I know what I want and I'm going to be more demanding. And I also, you know, and also announced to my male partner that perhaps I'm not as fragile as some people might have led him to believe. You know, all these kinds of things.
Interviewer
Yeah, well, I wonder whether the fears of signaling fecundity become less salient as you get older. Right? It's like, who are we kidding? I'm 47, fucking like menopausal. You know, like, we're not, this isn't the first time. So I wonder if that's part of it. Certainly confidence in the bedroom, being able to take charge in that sort of a way. Have you seen any dating around hormonal birth control impacting orgasm rate, ability, sensation speeds?
Dr. Robert King
Yeah, I'm, I have and I'm, I'm actually just, I'm just reading up about that at the moment. I can't remember the book I'm reading, but there is, it's, it might be your brain on the pill.
Interviewer
This is your brain on birth control by Sarah Hill.
Dr. Robert King
Yeah, it was. Listening to someone on your show maybe think I like to go and study this in more detail. We did. We, we've, we've certainly interviewing people. We certainly found that hormonal birth control affects who they find attractive. We haven't actually studied whether it has an effect on their orgasms. I will have to confess I'd be very surprised if it Doesn't. And I think it's a real gap in the data because I think it almost has to change.
Interviewer
That would be like a headline grabbing study if you did that. I really think it would. Because if you were to find out that this thing which stops you from getting pregnant also stops you from enjoying sex as much like how many, how many girls go on birth control before they've had sex for the first time, you know, 15, 16, whatever, and then go through their entire adult life, their entire sexual career up until the point at which they decide to have kids, if they decide to do that. And they just have this assumption, assumption about the way that their sort of sexual mechanics work. And they don't realize that there was.
Dr. Robert King
This hormonal, like this massive experiment we've done on a huge amount of the population without an awful lot of control on it. And it's particularly ironic because frequently when we're doing experiments on the species, we leave the women out exclusively.
Interviewer
Been done on the women, Only women?
Dr. Robert King
Yeah. I mean, actually it's not even just on our species. The number of experiments where people think, oh, you know, we've studied the brains of rocks, rats and it turns out actually we've studied the brains of male rats exclusively. Yeah.
Interviewer
Okay, what do you make or what do you make of the orgasm gap then? Like, how does this come to sort of settle?
Dr. Robert King
Oh, well, I mean, it's definitely there because once a man gets erect, he's very likely to orgasm through penetrative sex. Although it's not certain by any manner of means, but he's very much more likely to. Whereas if a woman gets aroused, then, um, there needs to be. There need there, there needs to, there probably needs to be more than just penetration in order to, to create an orgasm in her. So there will probably need to be other things and those things just might be lacking, you know, whether they're a bit of external stimulation, a bit of additional stimulation to other areas, or just highly vigorous penetration which, you know, a lot of guys aren't providing because it's, it's, it's actually a, you know, it's a physical dream demand.
Interviewer
I, I saw a study recently that said women typically believe their marriages have about the right frequency of sex.
Dr. Robert King
Okay.
Interviewer
Whereas men wished for more twice as much as they were having. This suggests that many couples adjust their sexual frequency to the lower rate of desire by the wife.
Dr. Robert King
Right. I wouldn't be surprised if that was true. I mean, with the usual provisors that, you know, there are, there are exceptions to this. You would you would, you would expect there to be a certain amount of. It's just fun and it's pair bonding and all the rest of it because that's, that's going on. Have you, have you come across the concept of lesbian bed death?
Interviewer
No, but I love the name and.
Dr. Robert King
I've just, I've just forgotten. Pepper Schwartz is a sociologist who coined the term and what. And what. And, and what she said was after a certain amount of times of lesbians just stop having, having sex. And, and I, I. And I think you could. It's more likely to be the case with heterosexual couples that it's the man who's being the instigator just because of things like testosterone levels. You know, he's just. When you've got a lesbian couple, then the chances are that you don't have somebody with the kind of levels of testosterone or either one person. You know, there won't even be one person in the relationship who is always doing the pushing. There could be, but it's quite possible that you wouldn't be with.
Interviewer
I have to assume that if we go to the other end of the barbell and we have gay relationships.
Dr. Robert King
Yes.
Interviewer
It's surprising they get anything done.
Dr. Robert King
I think that's often the case. Yeah. And you don't. If you get a new sort of new gay couple that, you know, you quite often, you don't see him for weeks or possibly months. I mean, one of the other difference, of course, is that men have a different refraction period. So, you know, they will just kind of, you know, they will just kind of wear out after. Sure.
Interviewer
Well, yeah. What, what's the. Have you. Look, why is it that women can orgasm multiple times within a single session of sex?
Dr. Robert King
We don't know. But it's, but it will be great. It will be great to know. I suspect it's because the, in the early stages they're getting very demanding because what's happening is they're getting hold of a guy, they're signaling to him, I'm gonna have your baby. Basically, that's, he's getting massive signals of. Invest heavily in this person. They're. They're orgasming a lot. As long as, as long as he's up, he's up to the market, have as much sex with her as possible and just make sure that she's pregnant. And once, once that's, once that's over with, then you, you, you need some kind of adjustments to happen, don't you? You don't want him to be continually pestering you for Sex, you don't want him to be running off. So women have got a tough job to do. They've got to get this guy, they've got to make him very excited, make him have lots of sex and then sort of, right, we'll slow him down at that point and go well, you know, now do some other things.
Interviewer
Wow, okay, well what can we learn that then about female orgasm from casual sex compared with coupled sex compared with long term coupled sex? Because it seems.
Dr. Robert King
Yeah, well the, the, the most of the data are that the casual sex is less likely to produce orgasm in females.
Interviewer
Why?
Dr. Robert King
Well, I, I, I think it's, it's, it's simply because one of the things you're doing is you're, you're, you're learning what that partner wants and you're learning what pleases them, them. However, if, if it does produce an orgasm, I've got a, I've got a feeling. And now this, this is, this is speculative on my part, but I've got a feeling it's the kind of thing that underwrites. You had Dave, Dave Bus on the show, haven't you? Talking about the monkey branching. I, I, I, because I mean initially a lot of his research was on the idea of, of sort of, sort of sperm harvesting behind the scenes. And, and I know he sort of, he's moved away from that. I, I think that still happens. I think even if it only happens 1% of the time, that's plenty to drive adaptations.
Interviewer
What I would mean when you talk about sperm harvesting.
Dr. Robert King
Oh, that you have a primary partner who is the investor and you're sort of the Lady Chatterley strategy. So you've got the sort of the investing partner and you've got the sperm supplying partner behind the scenes who's clandestine.
Interviewer
Does that suggest then? Have you seen any data that women who are having extramarital affairs are more likely to orgasm with their extramarital partner than their marital partner?
Dr. Robert King
I think it there, I think the chances are that they're less likely to orgasm. But if they, if they are, if they're more likely to orgasm then they're quite more then, then they're more likely to make switch. I think is, is that's a lead.
Interviewer
Indicator that the lagging indicator of the relationship being over is going to happen soon.
Dr. Robert King
I mean I've got, I've got someone who now understands me. You know, I can, I can move on. So I think, I think that can happen. But I also, I mean I think, I don't want to speak for, for, for Dave Bus here, I think, I think he's is. But I'm, I'm going to. But I mean, subject to his. Quite a lot of the women will fall in love with the person that they're, they're sort of. They're seeing behind the scenes, which would be a bad strategy if you're just trying to get genes from him and you're trying to keep your primary investment. So although, although the, the, the sperm harvesting thing does seem to be a strategy, it's probably not the primary one. The primary one is probably just to go from one partner to the next and use, use sex as a test bed of who. Who is the, the one that you. Is the one who's actually going to, you know, have your babies with you and invest in you because you want.
Interviewer
I mean, it really just is female selection all the way down, eh?
Dr. Robert King
Yes. Yeah. Have you. Do you know, there's an evolutionary biologist called Olivia Judson. Okay. And she was kind of mentor of mine in the early days. She taught me a lot of evolutionary biology. And she's, she's written a book which I recommend to everyone. It was called Dr. Tatiana's Sex Advice to the Whole of Creation. And in it she adopts this Persona of a. She's like an agony aunt. And the, the letters will be sort of, you know, dear Dr. Tatiana, I can't have sex unless my husband's head has been ripped off and I've eaten it. Is this normal Mrs. Praying Mantis? And then the sort of, the response is all sort of, you know, why you've evolved like this and why, you know, why. It's good evolutionary biology and it's witty and it's. And it's well informed. But one of the things that she says. Well, there's a couple of things that she says. One is that the battle of the sexes is eternal, insoluble and inevitable, inevitable. So we need to sort of accept it and sort of try and live with it and also move on. And the crucial point, one of the crucial points she instilled from an early age was that female choice is the key driver in all primates and that we are no exception to that. And it was really. That made me look at female orgasm in that way, because it's supposed inefficiencies, the orgasm gap and all the rest of it are really just. They're signifiers that women are being picky. They're not being coy, they're just, they're extremely picky. And that's reflected in all of their Behaviors. I think one of the problems we've got with social media is because female sexual selection is inherently quite a comparative one. We've just widened the potential comparative base to a point where I think you might be receiving a signal that the number of potential partners is in the thousands or the tens of thousands, and so actually making a choice between them becomes computationally just intractable at this point.
Interviewer
I wonder if. I wonder if female orgasm rates have gone down.
Dr. Robert King
It's an interesting question. I don't know, because there's more.
Interviewer
Or you have this perspective that there are more available mates out there. That means that any individual mate is less likely to meet your bar, which means that this, you know, fitness test, this Navy SEAL hell week that you're putting. That you're putting.
Dr. Robert King
I mean, sex can be fun as well. I'm sure.
Interviewer
It's competitive and. And conflict and deceptive. According to you, Dib.
Dr. Robert King
So it's the bit where you go into the chamber they throw the gas in. That's. That's perhaps too much.
Interviewer
Yes, too much happening. Okay. How would you characterize modern sexual culture then? We've got. Well, we've just got. We've got shows like Love island happening at the moment, which has kind of taken America by storm, despite me trying to flee away from it. We have, you know, like, even in an interesting conversation around. Are men kind of allowed to say what they want in the bedroom without it seeming patriarchal or demanding or like it's subjugating their partner in some sort of a way? Women have got this. You know, they've got their vestiges of the past, which I think Cosmopolitan and those sort of magazines have done a pretty good job at dispensing, you know, five new positions to try with him this Easter and shit like that. Like, we've normalized the conversation around female sex in a way. Actually, this is another. Another point. I think that women believe that guys sit around and talk about sex. Like. Like sex.
Dr. Robert King
I mean, just the two of us. I mean, yeah, yeah.
Interviewer
Which we've done for an hour and a half. But I think that they believe that guys sit around and talk about their sex lives. I have a update. Guys don't sit around and talk about their sex lives in that sort of a way. If. If I was to say, all right, mate, what's the sex like between you and the Mrs. You go, what, do you fancy her or something? Why do you want to know about the sex between me and my Mrs. Whereas I don't know how frequent it is, but I Would better big chunk of change that it is way more.
Dr. Robert King
Oh yeah, definitely is. Yeah. And yes, you know, I remember when the, when that, that the, the Trump grabbing women by the pussy thing came out and there was this sort of always locker room talks, locker room talk. I remember thinking, I've been in quite a lot of locker rooms over the years. I have never heard that kind of talk. Maybe I'm going to the wrong locker rooms or maybe I'm just not the kind of guy people say those things to. But no, I'd agree with you. I mean there are guys who boast like that but they, they just tend to be seen as being boastful and.
Interviewer
It'S never around short term mating, it's never around long term mating as well.
Dr. Robert King
Right now. I think that's that and I don't, I don't think that's changed. I think, I think it's because, it's partly because women have this incredibly difficult job to do. I was just talking about this sort of. One of the patterns is that they find sexual dominance in the bedroom very erotic. Not all women, but many women do. I mean enough, enough to fuel, you know, 50 shades of gray multi billion pound industry. And yet the trouble is if you, if you say that, if you say that openly, then you, you remove one of your primary mechanisms for being able to distinguish between the kind of person who you want to be dominant in a bedroom and the kind of person you wouldn't want within a million miles of you who might then sort of go, well she, she gave me the green light to behave like this. And so that's a, that's a very difficult, it's, it's like the kind of signaling problem that gay men used to have before homosexuality was legal that you know, you, you want, you wanted, you wanted it, you wanted people to know you were gay. However, the wrong people might suddenly know that you were gay and you could find yourself in a lot of trouble, you know, either legal or, or, you know, or violent. But I, I don't think that problem your way for women because there are always men out there who are potentially willing to exploit that. So you have to be on guard for that kind of thing. I mean as for, as for the sort of the sexual culture, I've heard some people of my age say, you know, it feels like I've got the last helicopter out of Saigon, which may be a bit, bit much. But I, I'm glad I'm not a young person dating because it, I mean I am around a lot of Young people, because I was a school teacher and now I'm a university teacher and I see young people dating and they don't seem happ. Seem as happy as I was when I was their age. They, they. It seems to be really fraught. It seems to be really tense. And that isn't just sort of me being an old guy sort of, you know, waving his fist at the clouds because, you know, they're not getting married, they're not having kids. There is a demographic collapse, unfortunately. Discussion of that has now become left, right, coded, God help us, which means that sensible discussion of it is going to be increasingly hard.
Interviewer
Have eaten a metric ton of shit. Because I can't talk about birth rate decline without being accused of shilling for Ben Shapiro or something like that.
Dr. Robert King
Yeah, I know. Yeah. I mean, well, every time Ben, Ben opens his mouth about female orgasm, he puts something in.
Interviewer
Yeah, he's not. He wasn't exactly fantastic on that subject. But I. Look, I was thinking about this earlier on today. One of the most painful situations that you can be in as somebody that sort of thinks about the world is to be right but early. Right, but early. Oh, my God. The unrequited with the bitterness, the resentment, the sense of. Do you not remember what I said? That you just needed to listen to me? I, I'm fucking adamant that birth rate decline is going to be one of those Right. But early things. Everybody that's talking about it is right, and everybody that's pushing back against them is just disincentivizing a really important conversation to be had. Can this be weaponized and pointed in a direction that's real nefarious? Yes.
Dr. Robert King
I think we proved to ourselves there is nothing that can't be weaponized politically. I genuinely think there is nothing. And we just have to set that aside.
Interviewer
Afraid this is a. This is an interesting stat that I've got for you here. Porn featuring violence against women is also extremely popular among women. It is far more popular among women than men. I hate saying that because misogynists seem to love this fact. Fantasy life isn't always politically correct. The rate at which women watch violent porn is roughly the same in every part of the world. It isn't even correlated with how women are treated.
Dr. Robert King
That sounds like something Jermaine Greer said and it got. It got her into a lot of trouble. But I can top that. I can. I can get people to hate me even more than they hate you. So, you know, I mean, we haven't really even talked about the. Another big strand of our Research here which is into spree killers. So I started studying spree killers a few years back and I got really interested in, in the different types of spree killer. And, and now we've become, I've got a PhD student. We've become interested in, in whether, because these are almost always men go out and they kill strangers publicly and they seem to fall into two types and wasn't really known when we first started this. There's a, there's an old older type who tends to be a family controller and he tends to kill family members and he has very little in common with the younger type who tends to be the school shooter and tends to have a history of mental illness, school refusal and the one is not an older version of the other. Here's the bit that's, that was really disturbing when a student I came along and said well have we, have we tried studying the people who fetishize them? And so we did a study on hybristophiles and these are exclusively women who fetishize killers. And we found once again we found two types there. We found the ones who didn't really distinguish between just the, the, the, the, the good looking bad boys. And there wasn't really much difference in the fan material they produced whether it was say One Direction or, or whether it was a spree killer. But there was a small number, a persistent number and I, I, I'm not a forensic psychologist but I used to be a forensic psychologist living next door to me in the department. I knocked on his door and said is this interesting? You know, is this, is this known? He went no, you should publish this. This is, this is really interesting because the, the subtype fetishize the killing and they're very open about it and they, they go along to the courts and they produce erotic material that is extremely violent, focuses on the, the pain and misery of the, of the victims and, and openly says, you know, they, they, they desire the, the people that do it and to join in.
Interviewer
So yeah, look at Luigi Manion. Yes, I know sex symbol overnight people like the, the shoes he had on was sold out. Yes, you guys are style icon.
Dr. Robert King
We're, we're, we have a dark, we have a dark element to our character as a species. And, and I think a lot of years of looking at for example the, you know, the way that women have been victimized in society and no point in my suggesting that any of that is remotely false has sort of blinded people to the fact that you know, women, women hold up half the sky. Yeah. But they also produce half the. And we, we are, we are a sexually reproducing species. We're a mutually sexually rep species and we need to stop having sex with the psychopaths, all of us.
Interviewer
Right, well, good luck. Good luck interjecting that. I mean, this is again such an interesting area to think about when it comes to the relational like cult where culture meets desire and the story that we tell ourselves. Because as soon as you say women can't be deceptive during sex, women can't be coercive during sex, they can't be manipulative, they can't steal parts of partners from others, they can't monkey branch, they can't use, they can't keep their male friends. All the male friends, they've got the Orbiters, interestingly, they all seem to be around about the same similar level of attractiveness to the man that they're with. They. All of this stuff, it's like, no, no, no, no, women don't do any of that stuff. Or they do do it, but they don't do it at that much of a level. It's all right. Okay, so you're telling me that women are completely passive sexual objects who have no agency over their fear future and all that they do is blow with the wind with whatever man comes in front of them first?
Dr. Robert King
Yes.
Interviewer
Evidently not. So square this, square this circle for me, dude. Like square the circle.
Dr. Robert King
Sorry, are you asking me to defend that position?
Interviewer
No, not at all. Like my imaginary sort of blank slate, female agent, sexual agency denying what you're.
Dr. Robert King
Saying is itself a strategy. I mean, one of the best ways of manipulating men is to other women in the environment is to pretend that you are a koi, passive receiver recipient of mail order. I mean that, that's one of the things that fooled the Victorian male biologists is that they. And what it fooled Darwin up to a point. I mean, he could see the sexual selection was happening, but it can't be happening to me, surely, you know, and it bugged him because, Charles, I would.
Interviewer
Never, I could never do that to you.
Dr. Robert King
Yeah, no, absolutely. I, I could never be on the receiving end of it. Now, of course, I mean, the, you know, heterosexual men, we are fooled a lot of the time and facing up to that is tough, tough for us. And also it makes it sound like women are sort of, sort of, you know, sort of conspiring behind the scenes. And some of them are, of course, but quite a lot of them aren't even aware that they're doing those things, which is, you know, which is why it's, why it's good that, that, I mean, all of that is changing. People like Catherine, for example, you know, we just talked about her. You know, she's, she comes along, she's unequivocal, she's, she's, she's smart, she, she's uncomfortable, she's, she's not, not, not ashamed of the way she looks and she's willing to do, you know, but 40 years ago there weren't, there wasn't a body of people like that doing behavioral science. And now, now there is. And you know, I think, I think that's almost certainly, you know, hope for improvement. Isn't it?
Interviewer
Unbelievable. Dr. Robert King, ladies and gentlemen. Robert, you're great. Why should people go, they're going to want to check out the book and everything else that you do.
Dr. Robert King
Oh, it's very kind. I don't have a social media presence. I kind of got rid of my social media presence because it just felt I wasn't the, the, the, the net, the net worth wasn't there. I should probably set myself up a YouTube channel for things like this to be on. I've got the book, it's called Naturally Selective. And I've got my academia Edu and all those kind of sites report my papers and all the rest of it. That's it really. I, I should perhaps be more media savvy about these kinds of things, but.
Interviewer
The book is a, a really great, deep work. So if what we get from you is books and what we lose from you is Instagram posts, I think that's a good trade.
Dr. Robert King
Well, I, I, I've seen, I've seen colleagues and friends, not, not necessarily ones here at ucc, but I have seen people who were more eminent than me suddenly go down the Twitter route and suddenly opining about things. I'm sort of going, I know you, why are you talking about this?
Interviewer
The work also takes a nosedive, a concurrent nose dive with that a lot.
Dr. Robert King
I said, well, why are you talking about this? Well, and I say, well, you're getting all these Twitter likes for it and it, it's highly, it's, it's clearly highly addict. We were the kind of nerdy types at school who weren't particularly the pretty ones or the popular ones. And I think getting a bit of that popular. I'm just talking about scientists, not you, because you're clearly both. But, but we were the, you know, the, the colleagues. I'm thinking about the kind of people who needed a bit of popularity and once they get it It's. It's. They can't. They can't stop themselves. It's like a drug to them, and I don't think it's good for them.
Interviewer
Wow. Okay. Dude, you. You're great. Thank you. So I really, really enjoyed this one. Until.
Dr. Robert King
Interesting questions.
Interviewer
I got you. Thank you, man.
Modern Wisdom Podcast Episode #977: Dr. Robert King - Why Does The Female Orgasm Exist?
Release Date: August 7, 2025
In this compelling episode of Modern Wisdom, host Chris Williamson engages in an enlightening conversation with Dr. Robert King, an evolutionary biologist and author of Naturally Selective. The discussion delves deep into the enigmatic nature of the female orgasm, exploring its evolutionary purpose, underlying biology, and societal implications. Here's a comprehensive summary of their rich dialogue.
Dr. Robert King begins by recounting his unexpected transition from a schoolteacher with interests in psychology and mathematics to a pioneer in evolutionary biology studying female orgasm.
"[00:04] Dr. Robert King: ...about female orgasm did nothing, had no function. And to say I was surprised would be an understatement."
His curiosity was piqued by Elizabeth Lloyd's seminal work, prompting him to challenge prevailing scientific biases and seek original research in the field.
Dr. King critically examines foundational studies on female orgasm, contrasting the methodologies and conclusions of Masters and Johnson with those of Dr. Fox and his wife.
"[02:34] Dr. Robert King: ...their research into female orgasm was to get half a dozen women to masturbate orgasm in a lab... and that female orgasm didn't really have any function."
He highlights the limitations of lab-based research, emphasizing the importance of studying sexuality in more natural settings to capture its full complexity.
Challenging the notion that the female orgasm is merely a biological byproduct, Dr. King presents evidence supporting its adaptive significance.
"[12:47] Dr. Robert King: ...oxytocin mediated peristalsis... creates pressure changes that could increase fertility."
He discusses the role of oxytocin in facilitating sperm transport and fostering maternal bonds, suggesting that orgasms enhance reproductive success.
Dr. King's research identifies key factors that influence the likelihood of women achieving orgasm:
Attractive Partner Smell: Indicative of genetic compatibility.
"[25:45] Dr. Robert King: ...attractive partner smell... genetic compatibility."
Dominance and Considerateness: Women seek partners who are both sexually dominant and considerate, balancing strength with emotional intelligence.
Penetrative Vigor: The physical aspect of penetration plays a significant role in facilitating orgasm.
He underscores that these factors are not merely superficial traits but deeply rooted in evolutionary biology.
The conversation shifts to the dynamics of intrasexual competition among women, exploring how cultural narratives and evolutionary pressures shape female sexual behavior.
"[33:22] Dr. Robert King: ...women are more choosy... they have to use subtle forms of status interplay."
Dr. King explains how cultural constructs like "venting" serve as covert strategies for women to navigate sexual competition without overt conflict, a necessity given their historical and biological vulnerabilities.
Dr. King touches upon the under-researched area of how hormonal birth control may affect women's orgasmic experiences, suggesting that hormonal manipulation could influence both desire and physiological response.
"[69:04] Dr. Robert King: ...hormonal birth control affects who they find attractive. We haven't actually studied whether it has an effect on their orgasms."
He emphasizes the need for more comprehensive studies to understand these impacts fully.
Addressing the persistent orgasm gap between men and women, Dr. King discusses its roots in both physiological differences and societal expectations.
"[71:03] Dr. Robert King: ...men are very likely to orgasm through penetrative sex, whereas women often require additional stimulation."
He notes that societal norms often place the onus on men to understand and fulfill women's sexual needs, contributing to disparities in sexual satisfaction.
The dialogue delves into the complex nature of female sexual agency, highlighting how women may employ deceptive strategies, such as faking orgasms, to navigate social and sexual landscapes.
"[88:53] Dr. Robert King: ...women hold up half the sky. But they also produce half the... a sexually reproducing species."
Dr. King argues that these behaviors are evolutionary strategies aimed at maximizing reproductive success while managing social dynamics.
Chris and Dr. King explore how contemporary media and cultural narratives influence female sexual behavior and expectations.
"[83:33] Interviewer: ...shows like Love Island... normalizing conversations around female sex."
They discuss the tension between empowering narratives and traditional evolutionary pressures, emphasizing the complexity of modern sexual relationships.
As the episode wraps up, Dr. King recommends further reading and expresses hope for future research to unravel the remaining mysteries of female sexuality.
"[90:37] Dr. Robert King: ...I've got the book, it's called Naturally Selective..."
He advocates for a more nuanced understanding of female sexual behavior, free from societal biases and informed by rigorous scientific inquiry.
Key Takeaways:
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About Dr. Robert King:
Dr. Robert King is an evolutionary biologist and the author of Naturally Selective. With a background in psychology and mathematics, Dr. King has spent over two decades exploring the complexities of human sexuality, challenging entrenched scientific biases, and advocating for a more nuanced understanding of the female orgasm and its role in human evolution.
Further Resources:
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