To do the math, you would gain over 50 pounds. The consequence of this excess calorie consumption is either an early coronary, or a commitment to lose weight. Diet fads are a dime a dozen and most of them fail. Celebrity pitchpersons may sell the program, but they won't make it successful beyond the financial aspects for themselves. Here are the sad facts.
Most diets involve calorie deprivation.
When you cease the diet, and return to your normal intake, you will create bigger calorie surplus because it will take the body time for the metabolic rate to rise to meet the higher intake. To lose weight, you need to create calorie deficits. The best way to do this is twofold. Second, stop eating processed foods. This means go to the produce section and get fruits and vegetables.