The overall body shape is ok, the proportion is relatively coordinated, although young, but already has a man's initial body shape. Now I look thinner, which has a lot to do with my age. From the perspective of body shape, muscle gain is definitely the first. Generally speaking, as long as you insist on a certain amount of anaerobic exercise every day, it is best for a fitness instructor to know how to train and adjust his diet. By the age of twenty, you can completely turn yourself into a handsome muscle.