Is your meat loose? If it is loose, it means fat. It takes perseverance to lose fat. You can think carefully about your usual eating habits. You like to eat high-calorie fried food and get fat, but you don't like sports at ordinary times. ..

So first, you have to change your eating habits. Skim milk and whole wheat bread in the morning can make you full and nutritious at noon. I wonder what the staple food there is. Bread? What else is there? Eat lean meat+vegetables+staple food. Eat vegetables +2 eggs at night. Throw away 1 yolk, and eat only protein and some fruit.

You said you didn't have time to exercise when you were studying, so you should go at ordinary times. If you are sedentary during your study, stand up and twist your waist.

Be sure to develop good eating habits and don't overeat.