Now there is a kind of clothes that can be corrected. . All you have to do is wear this kind of clothes every day. It's not like I want to practice lightness skill, so I don't have to do this.

It is also convenient to correct. Don't sleep with a pillow that is too high at night. You'd better not sleep with a pillow.

Get up during the day and do reverse exercise in the morning.

Just walk with your head up.

After doing this for a while, you will become a habit, so don't worry too much. The most important thing is to hold your head high when you walk.