1. Genetic factors. Some people will not gain weight no matter how much they eat. It is most likely due to genetic factors. The physique in heaven is thin people. These are incomparable to fat people, so they always have a perfect figure. .

2. It is closely related to emotions. If you don’t have any worries every day and are happy to eat every day, you will find that you have gained weight after a period of time. If you are worried, nervous, and worried every day, Worrying about this and that, eating with this kind of emotion makes it difficult to gain weight.

3. The body is sick. Some people will not gain weight no matter how much they eat. In fact, it is probably because the body is sick. For example, diseases such as thyroid or diabetes may prevent food from being better absorbed. If there are gastrointestinal problems, it will also affect the gastrointestinal tract from being able to absorb food better. If it is cancer, the body will naturally become thinner and thinner. So don’t envy thin people, nature is the most important thing.

4. Poor work and rest time. If you stay up late to work for a long time, or play all-night games for a long time, this bad work and rest habit will also make the body become thinner and thinner, and may even be eaten by others. I think it is because of my excessive sex life that I am getting thinner and thinner, and it is more difficult to gain weight.

5. It has a lot to do with exercise. Some friends don’t get fat no matter how much they eat. In fact, it has a lot to do with exercise. Although they can eat a lot every day, they still exercise every day and consume a lot of energy. Excess fat in the body. If you are obese and do not exercise, you will only become fatter over time. If you want to become thin, you must not only eat a balanced diet, but also keep exercising so that you don't gain weight.

6. Generally speaking, a physique that prevents you from getting fat no matter how much you eat has both advantages and disadvantages for the body. Don’t be too envious, as long as there are no problems with your body. If you are overweight, you need to maintain a balanced diet and exercise outdoors more often to avoid physical diseases caused by excessive obesity.