First of all, you need to know how muscles grow and how fat accumulates.

The number of muscle fibers in each of us is the same. Some people look strong, while others look thin. That's because the thickness of each muscle fiber on your body is different. How to thicken your muscle fibers requires you to keep exercising. Every exercise process is actually destroying and tearing your muscle fibers. After each training session, you should take protein to repair your torn muscle fibers. This process usually happens two hours after you fall asleep at night. So getting enough sleep also has a great effect on your muscle growth. To put it simply, for example, if you cut a hole in your body, you will have a scar, which will be higher than normal skin. Cut it again and it will grow taller. Muscle actually grows through repeated tearing and continuous repair.

The accumulation of fat is actually a very simple truth. Whether you exercise or not, you are constantly consuming calories in your body. Even if you eat to supplement calories every day, eating more and supplementing less can only consume the original fat in your body. On the contrary, people will gain weight. Everyone's physique is different. You have to grope through long-term exercise and diet on your own.