Sex and Psychology Podcast Podcast By Dr. Justin Lehmiller cover art

Sex and Psychology Podcast

Sex and Psychology Podcast

By: Dr. Justin Lehmiller
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The Sex and Psychology Podcast is the sex ed you never got in school—and won’t find anywhere else. Kinsey Institute researcher Dr. Justin Lehmiller takes you on a journey through the psychology of sex and relationships, offering practical tips along the way that can help you take your intimate life to the next level. Learn more on Dr. Lehmiller’s blog at sexandpsychology.com© Justin J. Lehmiller. All rights reserved. Hygiene & Healthy Living Relationships Science Social Sciences
Episodes
  • Episode 487: How To Make Online Dating Work For You
    Mar 27 2026

    Dating apps make it seem like you can swipe your way to the perfect partner. But attraction isn’t something we can fully predict from profiles. It emerges through interaction. So what happens when we try to optimize something that’s inherently unpredictable? In this episode, we break down the psychology of online dating and how to approach it more effectively.

    I am joined once again by Dr. Paul Eastwick, a Professor of Psychology at UC Davis, where he serves as the head of the Social-Personality Psychology program. He hosts the popular podcast Love Factually with his long-time colleague, Eli Finkel, where they analyze rom-coms and romantic dramas from the perspective of relationship science. Paul is also author of the new book Bonded by Evolution.

    Some of the specific topics we explore in this episode include:

    • Why might using multiple dating strategies improve your odds?
    • Can AI predict attraction better than we can ourselves?
    • How accurate are first impressions on dating apps?
    • Is there an optimal timeline for meeting in person after matching?
    • What strategies lead to healthier online dating experiences?

    You can check out Paul’s website to learn more about his 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.

    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 Facebook, Twitter, or Bluesky to receive updates. You can also follow Dr. Lehmiller on YouTube and Instagram.

    Listen and stream all episodes on Apple, Spotify, 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.

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    33 mins
  • Episode 486: Why We’re So Bad At Predicting Romantic Compatibility
    Mar 24 2026

    Most of us think we know what we’re looking for in a partner. We have a “type,” a mental checklist, and the belief that if someone checks enough boxes, everything else will fall into place. But decades of research suggest that attraction and compatibility don’t work that way. In this episode, we’ll unpack how attraction really unfolds and why chemistry is so hard to predict.

    My guest is Dr. Paul Eastwick, a Professor of Psychology at UC Davis, where he serves as the head of the Social-Personality Psychology program. He hosts the popular podcast Love Factually with his long-time colleague, Eli Finkel, where they analyze rom-coms and romantic dramas from the perspective of relationship science. Paul is also author of the new book Bonded by Evolution.

    Some of the specific topics we explore in this episode include:

    • What’s the link between what we say we want and who we actually fall for?
    • Do we really have a “type” when it comes to romantic partners?
    • Why is it so hard to predict whether two people will feel a spark?
    • How can we improve our chances of finding a compatible partner?
    • How much does long-term satisfaction depend on initial compatibility?

    You can check out Paul’s website to learn more about his 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!

    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.

    ***

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

    Listen and stream all episodes on Apple, Spotify, 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.

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    30 mins
  • Episode 485: The Surprising History Of Fetishes And Porn
    Mar 20 2026

    Humans have always been kinky, but what we fetishize and why has changed over time. In this episode, we’re revisiting the fascinating history behind some of the most common fetishes. From leather and nylon to the enduring appeal of feet, we’ll unpack how culture, technology, and history shaped these desires. We’ll also dive into the unexpected history of pornography and explore how hentai emerged as a major form of erotic storytelling.

    My guest is Esmé Louise James, who is best known for her Kinky History podcast and social media series which has amassed nearly 3 million followers. Esmé is author of the book Kinky History: A Rollicking Journey Through Our Sexual Past, Present, and Future.

    Some of the specific topics we explore in this episode include:

    • How did leather and nylon come to be associated with sex?
    • When did foot fetishes start to become popular?
    • How long have humans been making porn?
    • Historically, why was porn often used for political purposes?
    • When did cartoon/animated porn begin to rise in popularity?

    To hear more from Esmé about our kinky history, check out her previous appearances on the show in episodes 207, 208, and 343.

    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!

    Load Boost is a supplement designed to improve the taste, volume, and overall health of your semen. If you want to elevate your sexual performance, check out Load Boost from VB Health. Visit vb.health to learn more and save 10% with code JUSTIN.

    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 Facebook, Twitter, or Bluesky to receive updates. You can also follow Dr. Lehmiller on YouTube and Instagram.

    Listen and stream all episodes on Apple, Spotify, 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.

    Show more Show less
    32 mins
All stars
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Excellent science-based information. Interesting, useful, valuable, practical. Great, knowledgable guests. I have found this podcast to be of immense value.

5 stars

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The episode was really great. I was thinking about things that I didn’t know were even real. The sex points system and honestly I just figured that after a while of being with someone for a long time you would kind of slow down. But no that isn’t how it should work...

Great Episode

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