The Theory of Happily Ever After

According to Dr. Maggie Maguire, happiness is serious science, as serious as Maggie takes herself. But science can't always account for life's anomalies—for instance, why her fiancé dumped her for a silk-scarf acrobat and how the breakup sent Maggie spiraling into an extended ice cream-fueled chick flick binge.Concerned that she might never pull herself out of this nosedive, Maggie's friends book her as a speaker on a "New Year, New You" cruise in the Gulf of Mexico. Maggie wonders if she's...