Remember: my answer is the most important and standard. Didn't give anything more. . Please choose me as the satisfactory answer.

There is a recommended answer above, which is redundant and doesn't answer your question at all. Answering is the same as not answering. Please choose me for the satisfactory answer.

Think about it. You should practice your abdominal muscles. Sure, I do sit-ups very hard. And eat powder. I learned it quickly. When the time comes, the stomach will be piece by piece. I envy you.