 It doesn't have to be that way if you go on a diet that helps you lose the weight and then also helps you learn a few simple but important guidelines that will help you keep it off. Hi, this is Zola, Chief Dieter and CEO at Plan Z. Our dieters are in 43 states and 10 countries now. The success is spreading. Wives get their husbands on the diet, mothers tell their daughters, co-workers team up at companies, and friends tell friends.