It must be strong enough. You just need to remember that it's time to burn fat after 15 minutes of exercise, and try to exercise at night, so you can lose weight twice. You can exercise 30 minutes after dinner, otherwise it will be bad for your stomach. I feel too tired to keep running. It is easy to eat more when you are hungry before running. Don't drink water and take a bath immediately after exercise, because the moisture in the bath is easy to get in and it will be easy to wash after sweating. Persistence is the most important thing