It's your decision.You do it eight instances and....well you get the point.This aids develop a lot more muscle and sustain the muscle you presently have on a calorie restricted diet regime.Your physique adapts to the new levels of calories and will use muscle instead of fat for power.Hence our weight increases so also the susceptibility to different life threatening ailments.Consider the consequences very carefully.Hence body fat calculation is the most effective strategy to assess your fitness.