1, you pay a lot of attention. I suggest you go to the gym. There are professional instruments there. And coach. Listening to the coach is more credible than Baidu's answer preparation. And convenient. If you don't understand, you can always ask. If possible, let's go to the gym.

You can never practice like Jason Statham. Jason used to be a professional national diving team. That's good for your health. In addition, foreigners are naturally better than China people. Exercise is also good. For the needs of movies, I sometimes do professional exercises.

3. Exercise is important. It's not the number of days. Of course not less.

4. You are tall. I want to be this high.