For millions of us, reunions - whether a milestone high school reunion or extended-family get-together - offer a wake-up call and the chance to check in with friends, relatives, and long-lost loves we once knew well. For many, they also shore up weight-loss motivation. In fact, some of us are only interested in losing weight when we've got a major event like a reunion on the horizon. In The Reunion Diet , board-certified sports nutritionist Lisa Dorfman...