130 kg, neither fat nor thin, of medium build. You may burst into tears after gaining15kg ... I guess you mean to be strong. When you get fat, you drink beer, eat fried snacks, and put oil in your mouth ... After a month, it is conservatively estimated that 15 kg or more (or, as upstairs said, eat something that can arouse your appetite). If you want to be strong, you should eat more meat every day, such as eggs, chicken, beef, milk, carrots, etc ... If you do more dumb exercises, palm pressure and race walking, these exercises can effectively exercise your upper body muscles. If you persist for a long time, you will get a superhuman figure … strong upper body and medium lower body!