You've tried many diets. They didn't work. You know that dieting doesn't work. You know that you end up weighing more than before. To do again what you have done so many times before and expect a different outcome does not make sense. - Give up dieting! - Let the deadly dieting industry make money out of other people, not you, in 2011.
Eating fewer calories than your body needs is likely to cause you health problems like eating disorders and osteoporosis, and will NOT make you slim. - Here is how to lose excess weight without counting calories or going hungry: cut down on salt and salty food. This reduces the fluid retention which is the basic cause of overweight or obesity. You will definitely lose weight - and you will lose it rapidly and safely.
Salt/Sodium in foods