In his research, John Gottman discovered that contempt in a marriage is a major indicator of the couple's overall wellbeing. This negative emotion can significantly impact a partner's health, even correlating with the number of colds they might catch. It highlights how deeply the emotional climate of a relationship can influence physical health.

When someone experiences contempt from a loved one, it induces substantial stress, ultimately leading to a decline in immune system functions. This illustrates the powerful connection between emotional experiences and physical health, emphasizing the need for nurturing relationships to promote overall wellness.