Fitness not only contributes to health, but also regulates people's mentality. Nowadays, the social competition is fierce, and everyone faces different pressures. In the face of pressure, many people will gradually stop believing in themselves and start to feel pessimistic and disappointed in themselves because of strong frustration. Actually, it's the same in Fens. It is impossible to achieve good results and functions immediately at the beginning. They all work hard from the foundation, and every progress will make them feel very excited and happy. In the process of accumulation,