Why the Divorce Rate for Older Couples Keeps Rising SOURCE: Psychology Today AUTHORS: Carol R. Hughes, Ph.D., LMFT, and Bruce R. Fredenburg, M.S., LMFT

In his highly regarded 2015 TED talk, Dr. Robert Waldinger, the current director of the study, said, "It wasn't their middle-aged cholesterol levels that predicted how they were going to grow old. It was how satisfied they were in their relationships. The people who were the most satisfied in their relationships at age 50 were the healthiest at age 80."