ManTalks Podcast What Destroys Relationships Over Time, with Debra Lieberman
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Mar 30, 2026 
Debra Lieberman, an evolutionary psychologist studying the biology of cognition and social behavior. She explains evolved mental programs, how emotions coordinate social life, and why unconscious patterns sabotage relationships. Short takes on social value, nonverbal signals, anger and leverage, and when to repair or walk away.
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Fast Calculations Build Social Value
- We rapidly compute others' social value using kinship, portfolio of benefits, formidability, and norms, shaping attraction and cooperation.
- These snap judgments update with each interaction to guide friendship and alliance decisions.
Emotional Avoidance Is A Workload Problem
- Avoiding emotions often reflects the high effort required to self-examine and change entrenched patterns.
- Doing hard psychological work reveals sensitivities, clarifies relationship choices, and reduces repeated conflict cycles.
Choosing To Keep Known Problem Relationships
- Debra describes keeping a few relationships despite repeated irritation because she knows their patterns and accepts them.
- She stopped expecting miraculous change and decided which people she wants in her life long-term.