If you insist on fitness for a long time, the hormone secretion in your body will be more online than that of ordinary people. For many adolescent young people, there is already a lot of hormone secretion, and excessive hormone secretion will lead to more mature bodies. With the continuous growth of young people's age, the secretion of hormones will continue to increase. The secretion of hormones by young people who insist on fitness training will far exceed that of ordinary young people, which leads to a lot of young people after fitness. Judging from the face, it will be more mature. We often see many young athletes who look mature. In fact, it is for this reason. When young people exercise, women will be more mature and attractive, and men will be more mature.