Sex and Psychology Podcast

Step into the sex lab

The Sex and Psychology Podcast, hosted by Kinsey Institute Research Fellow Dr. Justin Lehmiller, is here to help you understand the most important sex organ in the entire body: your brain. Each episode offers a deep dive into the psychology of sex and relationships, drawing upon expert interviews and Dr. Lehmiller’s extensive body of research. The Sex and Psychology Podcast is the sex ed you never got in school–and won’t find anywhere else. Catch up with the latest episodes below, and subscribe on your favorite podcast platform to keep up to date.

2 Million+ Downloads in 2023

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Latest Episodes

March 13, 2026

Episode 483: Making Relationship Agreements That Work

When people open a relationship, they often start by asking: what are the rules? But the real key to healthy non-monogamy isn’t rules. It’s clarity about needs, desires, and expectations. In this episode, we’re talking about how to design relationship agreements that actually work. I am joined once again by Dr. Nicole Thompson, a sex and relationship psychotherapist and host of the popular podcast, Modern Anarchy. She is the author of The Psychedelic Jealousy Guide: Crafting Secure Non-Monogamous Relationships. She is also the founder of The Pleasure Practice, where she supports individuals in crafting pleasurable sex lives and expansive non-monogamous relationships. Some of the specific topics we explore in this episode include:
  • What's the difference between our needs and our desires?
  • How can partners discuss and negotiate different desires in healthy ways?
  • What kinds of things should go into a relationship agreement?
  • How do you cultivate feelings of security in a non-monogamous relationship?
To learn more, check out the Modern Anarchy website. Got a sex question? Send me a podcast voicemail to have it answered on a future episode at speakpipe.com/sexandpsychology. *** Thank you to our sponsors!  Level-up your bedroom skills with Beducated. Featuring more than 150 online courses taught by the experts, Beducated brings pleasure-based sex ed directly into your bedroom. Kick off your journey by taking Beducated’s Quiz to get your personalized roadmap to sexual happiness at https://beducate.me/pd2610-lehmiller  If you're looking to gain a broad understanding of human sexuality or refresh your knowledge, check out the upcoming Human Sexuality Intensive courses at the Kinsey Institute: https://kinseyinstitute.org/learning/human-sexuality-intensive.html  ***

Want to learn more about Sex and Psychology? Click here for previous articles or follow the blog on FacebookTwitter, or Bluesky to receive updates. You can also follow Dr. Lehmiller on YouTube and Instagram.

Listen and stream all episodes on AppleSpotify, or Amazon. Subscribe to automatically receive new episodes and please rate and review the podcast!

Credits: Precision Podcasting (Podcast editing) and Shutterstock/Florian (Music). Image created with Canva; photos used with permission of guest.
Sex and Psychology Podcast
Sex and Psychology Podcast
Episode 483: Making Relationship Agreements That Work
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March 10, 2026

Episode 482: Building Secure Non-Monogamous Relationships

Beginning a consensually non-monogamous relationship can trigger reactions you never saw coming. For example, the first time your partner connects with someone else, your body might react like there’s danger. So why is that? Today, we’re going to explore how to craft secure non-monogamous relationships and work skillfully with intense emotions that might arise along the way. My guest is Dr. Nicole Thompson, a sex and relationship psychotherapist and host of the popular podcast, Modern Anarchy. She is the author of The Psychedelic Jealousy Guide: Crafting Secure Non-Monogamous Relationships. She is also the founder of The Pleasure Practice, where she supports individuals in crafting pleasurable sex lives and expansive non-monogamous relationships. Some of the specific topics we explore in this episode include:
  • In what ways is exploring non-monogamy akin to the experience of taking a psychedelic?
  • How can somatic regulation help when we're experiencing jealousy and other intense emotions?
  • What factors contribute to feelings of jealousy in non-monogamous relationships?
  • What does it look like to transform our relationship with jealousy?
To learn more, check out the Modern Anarchy website. Got a sex question? Send me a podcast voicemail to have it answered on a future episode at speakpipe.com/sexandpsychology. *** Thank you to our sponsors! 

Discover how care in every detail transforms simple routines into moments of true comfort and ease. Head to cozyearth.com and use my code JUSTIN for up to 20% off. Experience the craft behind the comfort with Cozy Earth, and make every day feel intentional.

Passionate about building a career in sexuality? Check out the Sexual Health Alliance. With SHA, you'll connect with world-class experts and join an engaged community of sexuality professionals from around the world. Visit SexualHealthAlliance.com and start building the sexuality career of your dreams today. ***

Want to learn more about Sex and Psychology? Click here for previous articles or follow the blog on FacebookTwitter, or Bluesky to receive updates. You can also follow Dr. Lehmiller on YouTube and Instagram.

Listen and stream all episodes on AppleSpotify, or Amazon. Subscribe to automatically receive new episodes and please rate and review the podcast!

Credits: Precision Podcasting (Podcast editing) and Shutterstock/Florian (Music). Image created with Canva; photos used with permission of guest.
Sex and Psychology Podcast
Sex and Psychology Podcast
Episode 482: Building Secure Non-Monogamous Relationships
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March 6, 2026

Episode 481: Can Our Brains Handle Modern Dating?

Humans evolved for face-to-face courtship in small communities, where attraction unfolded gradually and choices were limited. Today, we’re navigating global dating markets, algorithms, AI recommendations, endless novelty, and constant rejection. So what happens when ancient mating psychology collides with modern technology? I am joined once again by Dr. Justin Garcia, evolutionary biologist and Executive Director of the Kinsey Institute at Indiana University. He is the chief scientific advisor for Match, and author of the new book The Intimate Animal: The Science of Sex, Fidelity, And Why We Live and Die For Love. Some of the specific topics we explore in this episode include:
  • How do dating apps shape our dopamine responses and bonding tendencies?
  • Could AI actually improve mate selection, or is that better left to humans?
  • Are changing relationship patterns a sign of human adaptability, or something else?
  • Where might the future of sex, dating, and intimacy be headed?
To learn more about Dr. Garcia, follow @drjustingarcia on the socials. Got a sex question? Send me a podcast voicemail to have it answered on a future episode at speakpipe.com/sexandpsychology. *** Thank you to our sponsors!  If you're ready to ditch the shady stuff and choose a libido supplement that’s effective and that you can feel confident about, it's time to check out Drive Boost. Visit vb.health and use code JUSTIN for 10% off.  If you're looking to gain a broad understanding of human sexuality or refresh your knowledge, check out the upcoming Human Sexuality Intensive courses at the Kinsey Institute: https://kinseyinstitute.org/learning/human-sexuality-intensive.html  ***

Want to learn more about Sex and Psychology? Click here for previous articles or follow the blog on FacebookTwitter, or Bluesky to receive updates. You can also follow Dr. Lehmiller on YouTube and Instagram.

Listen and stream all episodes on AppleSpotify, or Amazon. Subscribe to automatically receive new episodes and please rate and review the podcast!

Credits: Precision Podcasting (Podcast editing) and Shutterstock/Florian (Music). Image created with Canva; photos used with permission of guest.
Sex and Psychology Podcast
Sex and Psychology Podcast
Episode 481: Can Our Brains Handle Modern Dating?
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March 3, 2026

Episode 480: The Evolution Of Love And Desire

Why do we fall in and out of love so quickly? Why does love feel intoxicating at first, but complicated over time? The answer may be simpler than we think: humans are animals. Our brains were shaped by ancient mating systems that developed long before dating apps and modern culture. So what does it mean to be an “intimate animal?" And how much of our love lives today are still being driven by our evolutionary past? My guest is Dr. Justin Garcia, evolutionary biologist and Executive Director of the Kinsey Institute at Indiana University. He is the chief scientific advisor for Match, and author of the new book The Intimate Animal: The Science of Sex, Fidelity, And Why We Live and Die For Love. Some of the specific topics we explore in this episode include:
  • What makes intimacy such a defining part of our species?
  • Are humans built for monogamy or non-monogamy?
  • What happens inside the brain when we fall in love with someone?
  • Why does navigating sex and relationships in the modern world feel so challenging?
To learn more about Dr. Garcia, follow @drjustingarcia on the socials. Got a sex question? Send me a podcast voicemail to have it answered on a future episode at speakpipe.com/sexandpsychology. *** Thank you to our sponsors!  If you're ready to ditch the shady stuff and choose a libido supplement that’s effective and that you can feel confident about, it's time to check out Drive Boost.  Visit vb.health and use code JUSTIN for 10% off.  Passionate about building a career in sexuality? Check out the Sexual Health Alliance. With SHA, you'll connect with world-class experts and join an engaged community of sexuality professionals from around the world. Visit SexualHealthAlliance.com and start building the sexuality career of your dreams today. ***

Want to learn more about Sex and Psychology? Click here for previous articles or follow the blog on FacebookTwitter, or Bluesky to receive updates. You can also follow Dr. Lehmiller on YouTube and Instagram.

Listen and stream all episodes on AppleSpotify, or Amazon. Subscribe to automatically receive new episodes and please rate and review the podcast!

Credits: Precision Podcasting (Podcast editing) and Shutterstock/Florian (Music). Image created with Canva; photos used with permission of guest.
Sex and Psychology Podcast
Sex and Psychology Podcast
Episode 480: The Evolution Of Love And Desire
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February 27, 2026

Episode 479: Can Humor Make You Better In Bed?

Research shows that couples who bring playfulness into conversations about sex report greater satisfaction and emotional connection. A well-timed joke can lower defenses and make high-stakes topics feel safer. Today, we’re diving into how humor works inside relationships, and how it can be an effective tool, when used appropriately, to enhance sexual communication.

I am joined once again by Jenny Zigrino. You’ve seen her on late-night television, in film and streaming specials, and lighting up social media with bits that are bold, self-aware, and sharply observant. You can see her in the new show Crowd Control on Dropout TV and her most recent Don’t Tell Comedy special is out now. Some of the specific topics we explore in this episode include:
  • Why does humor lower sexual tension?
  • When does humor help sexual communication, and when does it derail it?
  • Is being funny actually sexy?
  • What do sex and stand-up teach us about staying open instead of defensive?
  • How can you blend humor with honest sexual communication?
You can check out Jenny's website to connect with more of her work. Got a sex question? Send me a podcast voicemail to have it answered on a future episode at speakpipe.com/sexandpsychology. *** Thank you to our sponsors! 

Head to https://paired.com/JUSTIN and download the #1 app for couples to start maintaining your lasting love today.

Why do we love who we love? Why do some relationships thrive while others fall apart? In The Intimate Animal, Dr. Justin Garcia explores the science of attraction, intimacy, and love by blending cutting-edge research with real-world insight.  ***

Want to learn more about Sex and Psychology? Click here for previous articles or follow the blog on FacebookTwitter, or Bluesky to receive updates. You can also follow Dr. Lehmiller on YouTube and Instagram.

Listen and stream all episodes on AppleSpotify, or Amazon. Subscribe to automatically receive new episodes and please rate and review the podcast!

Credits: Precision Podcasting (Podcast editing) and Shutterstock/Florian (Music). Image created with Canva; photos used with permission of guest.
Sex and Psychology Podcast
Sex and Psychology Podcast
Episode 479: Can Humor Make You Better In Bed?
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Let's Collab

Want to be a guest on the Sex and Psychology Podcast, sponsor a podcast, or do you have a question or topic you want to see addressed on the podcast? Send Justin an email to start the conversation.

Email Justin