how do you know how many calorie you are burnning a day so that you can set your calorie intake i have lost a 163lbs and have been fat all my life until now and i do not want to gain my weight back i have kept it off for two and a half years now but i want to add muscle and not fat and my body fat is at 11% and i am a vegetarian that does not eat beans breads or nuts and i eat mostly fruits and ve