Because in junior high school and senior high school, students are under great academic pressure, but in the process of growing up in junior high school and senior high school, they overeat and digest quickly with their brains, and some of them are in the growth stage, so they all grow up in different places. The university will basically not grow any longer, and the study in the university is very easy and not very strict. Without the jurisdiction of parents, eating, drinking, and having fun are all based on your mind, and your weight will naturally increase.