What You THINK You Want In A Partner Is Ruining Your Love Life

August 26, 2026

AI Summary

5 min read

In the science of relationships, the things people assume predict compatibility—shared values, similar politics, wanting the same things in life, comparable attractiveness—"unfortunately, none of these things end up predicting all that much." That is the central, counterintuitive finding from Dr. Paul Eastwick, a psychology professor at UC Davis and author of Bonded by Evolution, speaking on the Liz Moody Podcast. His research suggests that what actually determines long-term relationship success is far more subjective and dynamic than the checklists people bring to dating.

The Real Predictors of Lasting Relationships

Eastwick identifies three core elements for long-term success, drawing heavily on attachment theory. The first is safe haven: the ability to use your partner as a base of support when you are feeling down, struggling, or have experienced a loss. The second is the twin concept of secure base: the partner who celebrates your successes and treats your wins as their own. These two components form a yin-and-yang dynamic—you go to them when you are low, they lift you up, and then they celebrate with you when you thrive. The third element, which research shows both men and women systematically underestimate, is sexual connection. Sexual satisfaction is a powerful predictor of overall relationship satisfaction, but the key is subjective attraction—how se

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What you'll learn

1 (00:00) **Introduction: The Myth of Compatibility** - Dr. Paul Eastwick joins to discuss the science of attraction, revealing that the traits we think matter for relationship success (values, politics, attractiveness) are poor predictors of long-term outcomes.
2 (01:23) **The Three Most Important Elements for Long-Term Success** - Eastwick names safe haven, secure base, and sexual connection as the top predictors of relationship satisfaction.
3 (04:04) **Subjective Attraction vs. Objective Hotness** - How you personally feel about your partner's attractiveness matters far more than what others think.
4 (08:44) **Can You Build Attachment and Support?** - The skills of being a safe haven and secure base can be developed through explicit conversation and effort.
5 (14:05) **Repair After Arguments and the "Roommate Phase"** - How couples recover from conflict and rekindle passion is central to relationship health.
6 (18:34) **The Top Predictor of Breakup and the Role of Doubt** - The most dangerous sign is a fuzzy future with your partner, but temporary doubts are normal.
7 (23:21) **Men's Social Networks and Relationship Needs** - Men need relationships more than women, which creates a modern challenge.

+ Full timestamped outline available in the app

Show Notes

I chat with a top relationship researcher who shares shocking data on what actually leads to a compatible, successful relationship. If you want to know if you’ve found the one, or what you should actually be looking for while dating, this episode is for you.

Dr. Paul Eastwick is a professor of psychology at UC Davis. He has led dozens of studies on the science of attraction, and he's the author of the best-selling book Bonded By Evolution. In this episode, he shares the real data around the relationship questions or thoughts we’ve all had.

🎧 What you’ll learn:

• Why the traits we think matter most for compatibility (values, politics, looks) barely predict long-term relationship success

• What men and women actually want in a partner vs. what they say they want

• The two-part psychological framework that predicts whether your relationship will thrive long-term

• Why physical attraction to your partner works completely differently than "objective" hotness

• The real reason attraction fades and how couples can bring it back

• The #1 warning sign that a relationship is heading toward a breakup

• Why "love at first sight" happens to some people and not others

• The truth about red flags, sparks, and soulmates

• One simple daily habit to transform how you show up in relationships

For more from Paul Eastwick:

• Podcast, Love Factually: https://podcasts.apple.com/us/podcast/love-factually/id1766543146

• Book, Bonded by Evolution: https://www.amazon.com/gp/product/0593593987?tag=randohouseinc7986-20

• Instagram: https://www.instagram.com/pauleastwick/

Ready to uplevel every part of your life? Order Liz’s book 100 Ways to Change Your Life: The Science of Leveling Up Health, Happiness, Relationships & Success now!

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