Steven Bartlett has built one of the biggest interview archives on love, sex, and why relationships quietly fall apart, and it is scattered across hundreds of episodes with titles that all start to blur together. We read the full summary of every Diary of a CEO episode in our database, pulled out the ones where a guest actually said something specific and useful about relationships, and ranked them by how much real, concrete substance is packed into the conversation.
This is not a ranking based on downloads or hype. It is based on density of insight: does the episode hand you a framework, a study, a number, or a hard-won personal story you can actually use, or does it just circle the topic for two hours. Below are the 12 episodes worth your time, in order, with the specific reveals that earned each one its spot.
The Leading Sex Expert: How To Have Great Sex EVERY Time! (And Fix Bad Sex): Tracey Cox | E247
Sex educator Tracey Cox delivers the single densest hour on this list, walking through why only about 20 percent of women can climax through intercourse alone and why couples who go a year without sex almost never come back from it without confronting it directly. She also flips the usual assumption that men lose interest first, arguing boredom kills women's desire faster than men's once the initial spontaneous attraction fades. If you want the clinical, no-nonsense version of why long-term couples stop having sex and what actually fixes it, start here.
Read the full episode notesJay Shetty: 8 Rules For Perfect Love & Amazing Sex! | E217
Jay Shetty turns his 8 Rules of Love book into a working framework built on four Vedic pursuits (purpose, economics, connection, service), and the standout line is blunt: if you're trying to change someone, you don't love them, you love their potential. He also gets unusually candid about a seven-day anxiety spiral over online criticism and reveals he and his wife have spent up to six months a year apart, with a rule that every day apart takes a day of quality time to fully reconnect. Good for anyone who wants a structured, almost philosophical model for what love requires rather than just tactics.
Read the full episode notesDivorce Expert: Slippage Is Tearing Marriages Apart! If Kids Are Your Priority You’ll Divorce!
Divorce lawyer James Sexton names the real killer of marriages as 'slippage,' the slow accumulation of small neglects that ends relationships long before anyone notices, and he backs it with the number that stings most: roughly 86 percent of divorced people remarry within five years despite swearing they never will. His most controversial claim is that obsessing over your kids while neglecting your partner is a direct route to his office. Essential listening for anyone who thinks marriage problems show up suddenly instead of accumulating quietly.
Read the full episode notesSex Expert (Esther Perel): The Relationship Crisis No One Talks About That's Killing Your Sex Life!
Esther Perel names the real problem in modern relationships as 'social atrophy,' the loss of intimacy skills from underuse, backed by the fact that one in three US men under 30 reported no sex in the past year, triple the 2008 rate. Her sharpest line reframes the whole conversation: 'the sex isn't getting less interesting, their life with each other is less interesting.' Listen for the anonymous letter she coaches a listener through live on air, a masterclass in how to actually reopen a dead conversation with a partner.
Read the full episode notesWorld’s No.1 Matchmaker: How To FIND And KEEP Real Love!: Paul Brunson | E187
World-renowned matchmaker Paul Brunson admits he was sleeping on the couch in his own marriage until Gary Chapman's Five Love Languages taught him his wife needed gifts, not words, and he backs his advice with hard data: couples engaged for two years before marriage cut their divorce risk to around 20 to 22 percent. He also flags that successful, divorced 45-year-old men struggle with loneliness more than anyone else in his client base. Best for anyone actively dating or wondering why their last relationship stalled before it started.
Read the full episode notes10 Life-changing Lessons From The Longest Ever Study On Human Happiness! Dr. Robert Waldinger | E246
The director of Harvard's 85-year study of adult development lays out the study's central and most surprising finding: relationships, not wealth or fame, are the strongest predictor of long-term health and happiness, and being lonely is roughly as dangerous to your health as smoking half a pack of cigarettes a day. He also notes married men live about 12 years longer on average, though he stresses it's the intimate connection that matters, not the legal marriage itself. For anyone who wants the hardest science behind why relationships are worth prioritizing over career wins.
Read the full episode notesOrgasm Queen: Do This For 20 Minutes Before Having Sex & Your Sex Will Feel Brand New!
Susan Bratton opens with the personal story that built her career: a 12-year platonic marriage and her husband's affair that pushed them into sex workshops and, eventually, 20-plus years of non-monogamy. Her core teaching point is practical rather than shocking: women need 20 to 30 minutes of arousal buildup before intercourse, and her formula for lasting desire is 'safety plus novelty.' Recommended for couples in a dead bedroom who want concrete, physiological fixes rather than vague advice to 'communicate more.'
Read the full episode notesRobert Greene: How To Seduce Anyone, Build Confidence & Become Powerful | E232
The Art of Seduction author reframes seduction as being outer-directed and attentive to another person rather than performing confidence, citing Errol Flynn's estimated 3,000 conquests as proof that relaxed, genuine calm beats bravado every time. Greene also gets personal about the 2018 stroke that paralyzed his left side and the depression that followed, tracing his own recovery through gratitude and connection. Worth it for anyone who wants the psychology of attraction and confidence explained by the person who literally wrote the book on power.
Read the full episode notesThe Gottman Doctors: Affairs Can Save Your Relationship! If You See This, Walk Away!
The researchers behind the famous 'Love Lab' break down their Four Horsemen of relationship demise (criticism, contempt, defensiveness, stonewalling), with contempt singled out as 'sulfuric acid' for a marriage. The most useful data point: couples who later divorced had turned toward their partner's small bids for connection only 33 percent of the time, versus 86 percent for those who stayed married. Essential for anyone who wants the actual research behind why some relationships survive and others quietly erode.
Read the full episode notesThe Gaslighting Expert Jefferson Fisher: If They Do This, You're Being Manipulated!
Trial lawyer Jefferson Fisher applies courtroom cross-examination skills to relationship conflict, breaking down the difference between lying and gaslighting and noting that in all his years of feedback, no man has ever told him he thinks he's being gaslit, only women. He also admits he personally goes 'static' and struggles to express sadness to his own wife, using words to compensate. Good for anyone dealing with a manipulative partner or who just wants to argue better without escalating.
Read the full episode notesMatthew Hussey: The Secret To Building A Perfect Relationship | E142
Dating coach Matthew Hussey rejects the myth of 'the one' outright, arguing someone becomes the one through what you build with them rather than being found, and he distinguishes 'settling for' from 'settling on' after regretting the 'never settle' message he used to write in fans' books. He also traces his own perfectionism back to a childhood of financial insecurity that once had him living in a trailer. Best for anyone stuck chasing an idealized partner instead of building with the person in front of them.
Read the full episode notesThe Surprising & Unbelievable Dark Side Of Open Relationships: Aubrey Marcus | E242
Onnit founder Aubrey Marcus gives the most unflinching account on this list of an eight-year polyamorous relationship that ultimately broke him, admitting that watching his partner take her first lover 'absolutely broke' him despite his own polyamory, and that he concluded he could never master the arrangement. He now cites Gottman's own research on contempt as the 'monster that eats love' in his current monogamous marriage. Worth listening to for anyone curious about open relationships from someone who actually lived the experiment for nearly a decade.
Read the full episode notesTwelve episodes, twelve very different angles on the same core problem: relationships die quietly, in small neglected moments, unless someone pays attention. Whether you need the science, the sex advice, or the divorce lawyer's warning, start with whichever entry matches what's actually going on in your life right now. And if none of these fully scratch the itch, browse our full library of episode summaries for hundreds more Diary of a CEO conversations broken down the same way.