How to change this shortcoming by shaking your head when talking?

Shaking your head when talking may be due to the lack of blood supply to the brain for some reason, and people will react instinctively. First, cultivate your exercise habits, that is, get up every morning, go out for a run, go to a deserted forest after running, read aloud with your eyes focused, and keep your eyes and head still while reading. After a long time, you can get rid of the habit of shaking your head