Whether fat or thin, each has its own merits; Fat people have enough exercise, unlike thin people who need to consume more calories. The disadvantage is that they need a lot of oxygen to reduce body fat and expose muscles. Thin people have relatively low body fat, and the muscles they exercise are easy to show lines. The disadvantage is that they need to consume a lot of calories to supply training consumption. Moreover, people with thin constitution are prone to lose muscles and need to maintain them for a long time.