What keep us healthy and happy as we go _________ life? The ___________ study of Adult Development may be the longest study of adult life that’s ever been done. But through a combination of luck and _______ of several generations of researchers, this study survived. Since 1938, we’ve tracked the lives of two groups of men. The first group started in the study when they were ___________ at Harvard College. They all finished college during World War II. And then most went off to _______in the war. And the second group that we’ve followed was a group of boys from Boston’s poorest ____________. Boys were chosen for the study specifically because they were from some of the most ____________ and disadvantaged families in the Boston of the 1930s. Some climbed the ___________ ladder from the bottom all the way to the very top.And some made that journey in the opposite direction. Many of our men when they were starting out as young adults really believed that fame and wealth and high ___________ were what they needed to go after to have a good life. Our study has shown that the people who fared the best were the best were the people who leaned in to relationships, with family, with friends, with __________.