Thirty-four-year-old Abby Stern has made it to a happy place. She's got good friends, her bike, and her bike club in Philadelphia. She's at peace with her plus-size body -- at least, most of the time -- and she's on track to marry her childhood sweetheart. Abby and Mark met at the weight-loss camp Abby's perpetually dieting mother, Eileen, forced her daughter to attend.