Whether to return it or not depends mainly on how you negotiate with the gym. Nowadays, people pay great attention to their health. Whether students or office workers, students often sit in the office all day in class, which is very bad for their health. They will choose to use their free time to exercise. Not only for your better figure, but also for your health. Many people will choose a fitness instructor to make a complete fitness personal training plan for themselves. The personal trainer will not fully consider yourself, but also her own income, which means that she will try her best to increase her income as much as possible, so we should decide which recommendations to choose according to our physical condition and the degree and position of the muscles we want to exercise. Don't take too many courses at once, or you will waste time if you don't have that much time at all.