How would you define a “good” life? Is it being married with kids? Traveling with friends? Basking in fame and fortune? The Harvard Study on Adult Development has spent nearly 90 years examining what makes people happy and healthy over a lifetime. The director of the study, Dr. Robert Waldinger, has shared the findings in his book, “The Good Life: Lessons from the Longest Scientific Study on Happiness.” He tells Dr. Sanjay Gupta why no one should expect to be happy all the time, and how men and women measure happiness differently.  Learn more about your ad choices. Visit podcastchoices.com/adchoices