← All stories
Health, Longevity & Biohacking

Contempt Predicts Physical Illness: Sulfuric Acid for the Immune System

The Mel Robbins Podcast · The #1 Relationship Researchers in the World: 50 Years of Marriage & Love Advice in One Conversation · June 18, 2026
Contempt Predicts Physical Illness: Sulfuric Acid for the Immune System
The Mel Robbins Podcast
The Mel Robbins Podcast
The #1 Relationship Researchers in the World: 50 Years of Marriage & Love Advice in One Conversation
"The number of times a listener hears contempt in a conflict for 15 minutes predicts how many infectious illnesses they're gonna have in the next 4 years. Because it is sulfuric acid for the immune system."
Dr. Julie Gottman revealed that contempt expressed during conflict is not only the strongest predictor of divorce but directly damages physical health. Their research showed the frequency of contemptuous statements during a 15-minute argument predicts the number of infectious illnesses a person will experience over the following 4 years.

About this episode

On this episode of the Mel Robbins Podcast, host Mel Robbins welcomed Dr. John Gottman and Dr. Julie Schwartz Gottman, the world's foremost relationship researchers, for an intimate masterclass on love, conflict, and connection. The Gottmans, who have spent 50 years studying relationships and run the renowned Gottman Institute, shared groundbreaking findings from their famous love lab where they observed 130 newlywed couples and predicted with 94% accuracy whether marriages would last. The episode centers on the Four Horsemen of the Apocalypse — criticism, contempt, defensiveness, and stonewalling — the toxic communication patterns that destroy relationships. Through extensive role-playing, the Gottmans demonstrated both destructive and constructive conflict styles, revealing that contempt is not only the strongest predictor of divorce but also predicts physical illness by damaging the immune system. They explained that stonewalling, often misinterpreted as a power move, is actually a physiological flooding response with heart rates spiking to 140-150 beats per minute. The Gottmans emphasized that 69% of relationship conflicts are perpetual and never resolve, meaning successful couples learn to understand rather than fix their differences. They introduced practical repair techniques, including Dr. John Gottman's notebook method for slowing down defensive reactions, the importance of taking 20-30 minute breaks when flooded, and the concept of turning toward rather than away from a partner's bids for connection. The episode concluded with simple daily rituals of connection that sustain intimacy even in busy dual-career marriages, and the revelation that being in love has no shelf life, as demonstrated by the Gottmans' own 27-year tradition of asking each other three key questions during their annual honeymoon.

Key takeaways

More stories More from The Mel Robbins Podcast