If you are thinking that you have failed if you lost weight and then gained it back again, do not be hard on yourself. The very nature of dieting lends itself to weight loss and weight gain.
Sad tales of the aftermath of rapid weight loss programs, including The Biggest Loser. Why Weight Watchers is not my choice and should not be yours if you want to be a good weight for you and have time and energy for other more important things in your life.