First: food, choose what you like to eat, and you will definitely gain weight for n days in a row. People who want to gain weight cannot be picky about food.

Second: exercise. If you want to give your girlfriend a sense of security, you must have a healthy and strong body. Therefore, exercise is essential.

Third: mood, keeping a good mood is also a good way to gain weight. When you are depressed, you want to get fat, which is very difficult. ..