Much of the conclusions of a scientific study that has lasted almost 80 years show that living a happy life and having satisfying relationships are synonymous with a long and healthy life. Caring for relationships translates into self-care.

A satisfactory life as a couple has a protective effect on people's mental health. The current director of the study “Good genes are nice, but joy is better” Robert Waldinger, a psychiatrist at Massachusetts General Hospital and professor of psychiatry at Harvard Medical School, believes that these aspects provide more well-being and good health than money or fame.