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The Desire Lab

The Desire Lab

By: The Desire Lab Podcast
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The Desire Lab is a weekly conversation exploring the psychology, science, stories, and cultural forces that shape desire, intimacy, sex, and long-term relationships.

2026 The Desire Lab Podcast
Relationships Science Social Sciences
Episodes
  • Experiment 009: Infidelity, Betrayal, and the Messiness of Repair
    13 Oct 2026

    Andrea: https://theemotionallogic.com/

    Caroline: https://www.desireinreallife.com

    The show: https://www.desirelabpod.com

    Can a relationship survive cheating, and what does it actually take to rebuild trust?

    Infidelity looms large in relationships, even when it has never happened. We imagine it as the ultimate betrayal, the rupture from which a relationship may never recover. But affairs, cheating, emotional infidelity, and other forms of betrayal are more complicated than a simple division between the person who did something wrong and the person who was hurt. In this episode, we enter the messy territory of infidelity and ask what actually happens to a relationship when trust is broken.

    We explore why sexual betrayal can feel uniquely destabilising, whether we place sexual fidelity too high in the hierarchy of relationship values, and what separates understanding the conditions surrounding an affair from excusing it. Infidelity does not happen in a vacuum, but context does not eliminate accountability.

    We also talk about what repair can look like after betrayal. Time alone does not necessarily heal an attachment injury.

    Along the way, we wonder whether monogamy is asking too much of modern relationships, compare infidelity to financial betrayal, contemplate the relationship equivalent of accumulated household dust, and establish that “it depends” may be the unofficial motto of couples therapy.

    • 01:15 Question: Can Love Survive Infidelity?
    • 03:29 Defining Infidelity: Types and Perspectives
    • 05:49 The Impact of Time on Relationships and Infidelity
    • 08:03 Trust and Betrayal: Healing After Infidelity
    • 11:02 The Complexity of Long-Term Betrayals
    • 13:28 Evaluating Trust: Is Infidelity a Reflection of Character?
    • 15:41 Monogamy: Natural or Constructed?
    • 17:58 The Commonality of Infidelity: Understanding Its Prevalence
    • 21:18 Understanding Infidelity: Symptoms vs. Root Causes
    • 24:56 The Complexity of Trust and Accountability
    • 29:20 The Role of Communication in Relationships
    • 33:23 Navigating the Aftermath of Betrayal
    • 37:21 Finding Clarity in Confusion
    Questions to Take Home
    1. What does fidelity mean in your relationship? Beyond sexual exclusivity, what agreements, expectations, and forms of trust feel most important to each of you?
    2. Are you tending to the things between you that are difficult to see? Sex, touch, flirting, curiosity, conversation, and feeling wanted may not be the relationship itself, but they can be vital signs that tell you something about its health.
    3. Do you still experience your partner as someone capable of surprising you? What have you learned about them recently, and when was the last time you told them something you still find exciting about who they are?
    A Note From the Lab

    Infidelity does not have a universal meaning, cause, or outcome. Understanding the context surrounding betrayal is not the same as excusing harmful behaviour, and remaining in a relationship after infidelity is not inherently more or less healthy than leaving one. If you are experiencing betrayal in your own relationship, there may not be a quick answer about what you “should” do.

    As Andrea points out, sometimes confusion is not evidence that you are doing it wrong. Sometimes it is where the investigation begins.

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    43 min
  • Experiment 008: Can Desire Survive Too Much Familiarity?
    6 Oct 2026

    Andrea: https://theemotionallogic.com/

    Caroline: https://www.desireinreallife.com

    The show: https://www.desirelabpod.com

    Closeness, Otherness, and Why Your Partner Is Not a Finished Product

    Long-term relationships ask us to pull off a strange feat. We’re supposed to know another person deeply, build a life with them, pay bills with them, manage a household with them, maybe raise children with them, and somehow still experience them as an erotic being. So is familiarity the thing that eventually kills desire? Or have we been blaming the wrong thing?

    In this episode, Caroline and Andrea explore what actually happens to eroticism as relationships become increasingly familiar. Andrea introduces the idea that we often take a mental “snapshot” of our partner at some point in the relationship and stop updating it. We decide we know who they are, what they like, how they think, and what they’ll do next. The problem is that people keep changing, even when our internal picture of them doesn’t.

    Research offers an interesting counterpoint to the idea that intimacy inevitably extinguishes desire. Closeness itself does not appear to be the enemy. Instead, desire may thrive when closeness exists alongside otherness, the recognition that your partner remains a separate, evolving person whom you cannot ever completely know. Self-expanding experiences can help us see our partners in a new light, and that sense of discovery can be associated with greater sexual desire.

    So keeping eroticism alive isn’t about buying lingerie, trying a new position, booking a hotel, or adding novelty for novelty’s sake. Those things can be fun, but they can become the relationship equivalent of a workplace pizza party: forced fun layered over a dynamic that hasn’t actually changed. The deeper work may be continuing to reveal ourselves, allowing our partners to change, updating our understanding of who they are, and staying curious about who we ourselves are becoming.

    Along the way: bathroom boundaries, version 2.0 software updates, European backpacking transformations, tinkering in the garage, rose-colored memories of honeymoon sex, secure bases, red thongs, shitty workplace icebreakers, and why your erotic life probably doesn’t need another fucking pizza party.

    • 01:35 Question: Can Desire Coexist with Domestic Life?
    • 04:17 Hypothesis: Intention and Attention in Relationships
    • 07:19 Hypothesis: Updating Your Model of Your Partner
    • 09:55 Hypothesis: Passion is a Response to Change
    • 13:53 Hypothesis: Surface-Level Solutions
    • 16:43 Synthesis: The Fear of Change in Relationships
    • 21:32 Synthesis: The Fear of Vulnerability
    • 22:58 Synthesis: Stagnation or RIsk
    • 25:12 Synthesis: Familiarity and Eroticism
    • 29:17 Synthesis: The Balance of Closeness and Otherness
    • 32:45 Synthesis: Evolving Together in Relationships
    • 34:37 Takeaways: Updates & Evolution
    • 40:30 Closing Notes

    Questions to Take Home:

    1. When you think about your partner, are you responding to who they are now, or to a version of them you formed years ago?
    2. Where is there still “otherness” between you, enough separateness and curiosity to keep discovering something new about each other?
    3. What has changed in you that your partner might not fully know yet, and what would it feel like to let them see it?
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    41 min
  • Experiment 007: When Does Sex Feel Like Pressure? Pressure Paradox, Escalation, & Finding a Way Back
    29 Sep 2026

    Andrea: https://theemotionallogic.com/

    Caroline: https://www.desireinreallife.com

    The show: https://www.desirelabpod.com

    One partner reaches for sex because they want connection. The other experiences that same reach as pressure. Then the reaching slows down, but the pressure doesn’t necessarily disappear. Now one person feels rejected, the other feels guilty, and both start anticipating what the other person is going to do before anything has even happened.

    In this episode of The Desire Lab, Caroline and Andrea return to the topic of initiation and go deeper into what happens when sex becomes pressure-filled instead of pleasure-filled. They explore the “pressure paradox,” the feedback loops that can leave both partners feeling trapped, and why the person who wants more sex and the person who wants less sex may both be trying to protect the relationship, just in different ways.

    They unpack the difference between wanting sex and wanting what sex represents: love, reassurance, connection, being wanted, and feeling less alone. From there, they explore what happens when the emotional desire for connection collides with a very real physical barrier, whether postpartum exhaustion, feeling touched out, pain, stress, disability, or simply not being able to access a sexual state in that moment.

    The conversation turns toward hope: widening the definition of physical intimacy, creating touch that does not automatically escalate into sex, rebuilding trust through clear expectations, using flirtation as a low-level erotic “hum,” and recognizing that adults need transitions too. Rather than deciding whose experience is more valid, Caroline and Andrea ask what becomes possible when couples stop trying to win the argument and start trying to understand the system they are caught inside.

    Along the way: being a human food source, carrot-chopping hazards, accidental kitchen seduction, ass grabbing, sexy background hums, blissful self-unawareness, mediocre dick jokes, and the radical possibility that maybe both people are right.

    • 01:09 Question: When does sex start to feel like pressure?
    • 02:29 Hypothesis: The Pressure Paradox
    • 05:24 Hypothesis: We don't just want pressure to stop
    • 08:47 Hypothesis: The need for sex is a need for connection
    • 11:59 Hypothesis: There's a physical roadblock
    • 13:35 Hypothesis: Creativity could be a way out
    • 15:28 Hypothesis: Fear of escalation
    • 17:57 Hypothesis: We need transitions to play
    • 21:28 Synthesis: Make it pervasive
    • 23:35 Synthesis: No action is still an action
    • 25:36 Synthesis: No covert ops
    • 29:46 Synthesis: Experiences of no-escalation
    • 32:52 Takeaways: Try to understand the problem, act on what you want
    • 37:59 Closing Notes
    Questions to Take Home:
    • When sexual initiation feels like pressure or rejection in our relationship, what is each of us actually experiencing underneath the behavior?
    • Does physical or flirtatious touch in our relationship feel safe from escalation, or has every touch started to carry the expectation that it should become sex?
    • If we stopped trying to prove whose experience is more valid, what might we learn about what each of us is actually longing for?


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    39 min
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