We all know that exercise is good for us. But exercise can be something we do reluctantly, or it can be a form of play and something we do eagerly. In his Bloom session, Peter Gray shared research and examples from his own life how play not only adds joy to your life, it improves physical and mental health, and longevity. Peter Gray is a research professor of psychology and neuroscience, author of a general textbook in psychology, and a specialist in the benefits of play. He’s a 77- year-old bicyclist, kayaker, swimmer, cross-country skier, lumberjack, and gardener.