I think thin people want to gain muscle or choose to gain weight first. Because the purpose of fitness is to have a healthy body and exercise excess fat into tendons, the premise of fitness is to have excess fat and meat to achieve the purpose of fitness. I think the most important thing for thin people is to make themselves fat first, so that their extra meat can be turned into tendons, so as to achieve the effect of muscle gain.

I'm thin myself, and it's actually wrong for people who can't gain weight by eating anything. As long as he is willing to eat, he will gain weight, so eating ten eggs a day will definitely gain weight. I, a thin man, chose to gain muscle at first and went to the gym to exercise my lean meat every day. Although the muscles have increased a little, I feel worse every day, that is, I am particularly weak after exercise every day. Later,