Here are 30 of the most incredible weight loss transformations of all time

To keep yourself from temporarily going off your rocker and succumbing to the slightest temptation, plan ahead for cheat meals or events where you cannot control every parameter of your food intake.For example, you don't want to show up to a wedding with a tote bag full of Tupperware, but you may want to establish and adhere to boundaries—such as limiting yourself to large quantities of only three kinds of food.