As a fitness instructor, girls have a good working environment in the gym, a colorful life, relatively easy work and a lot of free time. They can also exercise for free, keep fit and have a healthy body. Moreover, it is natural for girls to love beauty. Whether it is a sports coach or a personal fitness coach, they all have enviable beautiful bodies. After years of fitness and shaping, fat has nowhere to escape, and the proportion of body is closer to the golden ratio. Therefore, fitness instructors often have a more beautiful figure than the general public.