
Why Couples Stray: What Evolution Says About Staying Together
Most affairs aren't a verdict on love, they're about two drives you never named. The evolutionary biology of why couples stray, and how to stay.
Relationship Psychologist & Intimacy Educator
Dr. Ethan Voss is a Dutch clinical psychologist and intimacy educator based in Amsterdam. With a PhD in Clinical Psychology from the University of Amsterdam and 1,200+ clinical couples therapy sessions across six years of practice, he writes about attachment theory, the neuroscience of desire, and evidence-based frameworks (Gottman Method, Emotionally Focused Therapy) for couples in long-term relationships. His work translates clinical research into accessible practices, with particular sensitivity to male emotional experience in intimacy.
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Most affairs aren't a verdict on love, they're about two drives you never named. The evolutionary biology of why couples stray, and how to stay.

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