How much weight can be lost in 60 days?
Weight in body is of three types - muscle weight, water weight, fat weight.
Muscle weight - Do not eat anything and your muscles will start to deteriorate. You can lose 30% of your weight by complete fast but it is difficult to stay without eating.
Water weight - Water is approx. 70% in your body and this weight will never fluctuate by more than a kg or two.
Fat weight - It takes lot of hardwork to reduce fat weight, comprising of diet and workout. If you stop eating, your body will first eat your muscles. The day you start eating again your body will start increasing fat in your body by storing it because your metabolism has slowed when you were fasting. You can reduce 5-7 % of your body fat depending on mostly your diet and workout.