10% Happier with Dan Harris

Episode: Are You a Grudge Holder or a Revenge Seeker? Here’s How It’s Hurting You – And How To Get Over It
Guest: James Kimmel, Jr., JD (Lecturer in Psychiatry, Yale School of Medicine; Founder, Yale Collaborative for Motive Control Studies)
Date: October 6, 2025

Episode Overview

In this powerful episode, Dan Harris sits down with James Kimmel Jr.—a lawyer, Yale lecturer, and author of The Science of Revenge—to unpack one of the most destructive yet common human impulses: the desire for revenge. With frank discussions rooted in both neuroscience and personal narrative, they explore why we’re wired for grudge holding, how revenge can function as a kind of addiction, and—most importantly—how forgiveness offers a surprising, science-backed pathway to personal relief and societal healing.

The episode weaves together Kimmel’s traumatic personal story, brain science, evolutionary roots of revenge, and practical tools for managing these powerful urges. It is especially timely given political and social polarization.

Key Discussion Points and Insights

1. James Kimmel’s Harrowing Backstory

• [06:10 – 13:20]
  • Kimmel recounts moving as a 12-year-old to rural Pennsylvania, where he was socially ostracized and violently bullied for years.
  • The abuse escalates: after his family dog is killed (shot), and their mailbox exploded, Kimmel, then around 17, nearly commits armed violence in response, only to stop himself at the last moment.
  • Quote:
    • “I had the complete element of surprise... I just had this flash of insight or inspiration that if I went through with what I wanted to do to those guys, I’d never be the same again.” —James Kimmel Jr. [12:22]
  • This formative experience ultimately steered him toward studying revenge and, later, writing about it.

2. Neuroscience of Revenge as Addiction

• [13:33 – 18:08]
  • Experiencing injustice lights up the brain’s pain circuitry (anterior insula).
  • Fantasizing about or exacting revenge activates the dopamine-fueled reward/addiction circuitry (dorsal striatum, nucleus accumbens)—like a substance addiction.
  • The “high” is fleeting and followed by a craving—except, Kimmel cautions, “the craving isn’t to inject a needle into your own arm, it’s to potentially insert bullets into the bodies of other people.” [16:45]
  • Prefrontal cortex offers the final brake, but like with substance abuse, it can be “hijacked.”
  • Quote:
    • “Humans have evolved over thousands of years...to derive enormous pleasure from inflicting pain upon the people who wrong us or their proxies.” —James Kimmel Jr. [15:20]

3. Evolutionary and Societal Aspects

• [20:41 – 34:42]
  • Revenge likely evolved as a social norm enforcement mechanism (“adaptive”), but has become “maladaptive” when applied to ego wounds rather than survival threats.
  • “Violence is pathological. It is the inability to control your desire for revenge, despite the negative consequences.”
  • The line between “justice” and “revenge” is blurry; state-sanctioned behavior (like wars or the death penalty) is often justified as justice but may actually be “institutionalized revenge.”
  • Quote:
    • “We think there is a bright line between justice and revenge, and it helps to fool us into engaging in the most horrific acts that humans are capable of.” —James Kimmel Jr. [27:38]

4. Self-Reflection and Vulnerability to Revenge

• [36:25 – 41:09]
  • Most people experience revenge fantasies; about 20% actually act on them—a proportion similar to those who get addicted to substances after trying them.
  • Personal susceptibility may link to general addictive tendencies (e.g., substance use, impulsivity).
  • “You can even seek revenge against yourself for letting yourself down.” —James Kimmel Jr. [40:37]

Practical Strategies and Tools

5. Forgiveness: A Neuroscientific Wonder Drug

• [44:11 – 49:46]
  • Merely imagining forgiving someone—without any external action or communication—shuts down the pain network and reward circuitry, and reactivates prefrontal control (“It stops the pain...the cravings for revenge will stop.”).
  • Forgiveness is reframed: It’s not about the perpetrator but about healing yourself. No need for reconciliation or communication.
  • “Imagine what you would feel like if you did forgive it inside your brain...it’s kind of a wonder drug.” —James Kimmel Jr. [44:36]
  • Practice is iterative: “Every time [revenge desires] come back, you can go, no, I’m moving on...in very short order, you’ll start to feel that the pain of the grievance and the revenge desires aren’t coming back as often.”
  • “Imagine it until you make it...merely from imagining it, we see this cascade of events in the brain, the stopping of the pain, and the reduction in revenge cravings.” —James Kimmel Jr. [49:46]

6. The Courtroom of the Mind & The Miracle Court App

• [49:46 – 57:46]
  • Kimmel created a psychological tool: a structured roleplay (“the courtroom of the mind”), where you mentally hold the person who wronged you accountable, consider punishment, and finally experience the limits of revenge before trying on forgiveness.
  • App: miraclecourt.com
  • This method satisfies the trauma survivor’s needs: being heard, accountability, and closure—without actual retribution.
  • “You get to be all the roles: victim, defendant, judge, jury...and then you get to decide if you feel better after punishing them. Most find they don’t.” —James Kimmel Jr. [51:46]

7. Additional Evidence-Based Approaches

• [57:46 – 61:49]
  • Possibly relevant strategies: Cognitive Behavioral Therapy (CBT); motivational interviewing; anti-craving medications.
  • GLP-1 agonists (like Manjaro)—being studied for substance cravings—might help with revenge cravings in the future.
  • CBT for laypeople: “a way of reframing your own inner language so you can see things more clearly” and break the revenge/rumination loop. [61:03]

Notable Quotes & Memorable Moments

• Dan Harris empathy for revenge:
  “As I listen to [your story], I want revenge for you.” —Dan Harris [13:20]
• Honeyed tip, poisoned root:
  “It kind of reminds me of what the Buddha said about anger, that it’s got a honeyed tip and a poisoned root.” —Dan Harris [25:51]
• Cognitive Empathy as Forgiveness:
  “One way to understand forgiveness...is a kind of cognitive empathy where you understand—you don’t have to agree, but just to make the effort to understand—the way people with whom you disagree see the world.” —Dan Harris [73:48]

Societal and Political Implications

• [66:33 – 75:28]
  • Polarization is a cycle of collective grievance and revenge. True peace after conflict—personal, political, or international—comes from forgiveness, not from “victory.”
  • Historical examples (The Marshall Plan after WWII, Ford’s pardon of Nixon) demonstrate how intentional acts of forgiveness lead to societal healing.
  • “Forgiving doesn’t convert a conservative into a liberal or a liberal into a conservative. It merely stops them from becoming a retaliatory punisher...” —James Kimmel Jr. [74:35]
  • The choice: “Are we going to be part of the problem or the solution?” Forgiveness is not resignation or passivity; you can set boundaries without seeking retribution.

Final Reflections & Resources

• [75:33 – 78:19]
  • Kimmel admits that after his childhood ordeal, he spent years as a “professional revenge seeker” (lawyer), and that it seeped into every part of his life, nearly becoming addicted to it.
  • Books:
    • The Science of Revenge: Understanding the World’s Deadliest Addiction and How to Overcome It
    • Trial of Fallen Angels (novel)
    • Suing for Peace (spiritual memoir)
    • Website: jameskimmeljr.com
    • App: Miracle Court

Timestamps for Key Segments

• Kimmel’s backstory: [06:10 – 13:20]
• Neuroscience of revenge: [13:33 – 18:08]
• Evolution/justice distinctions: [20:41 – 34:42]
• Personal susceptibility spectrum: [36:25 – 41:09]
• Forgiveness as science-backed antidote: [44:11 – 49:46]
• Courtroom of the mind + tools: [49:46 – 57:46]
• Societal/political implications: [66:33 – 75:28]
• Final stories/resources: [75:33 – 78:19]

Tone

Candid, contemplative, hopeful, and deeply practical. The conversation stays rooted in lived human experience—ranging from raw personal trauma to collective injury—with both Harris and Kimmel actively challenging and clarifying each other’s assumptions for clarity and utility.

For Further Practice

• Miracle Court App: Free audio-guided roleplay at miraclecourt.com
• Paid subscribers: guided meditation companion: “For When You Want Revenge” (with Sebene Selassie) at danharris.com

“Forgiveness is available for us as this free wonder drug... maybe it’s heaven on earth. It’s this heaven of getting away from the pains and traumas of your past.”
—James Kimmel Jr. [53:35]