Why do you blink when you talk?

Blinking is a common action. People blink about 20 times a minute. It is normal for people to blink when talking. Because some people are afraid to face others when they speak, they may make him change this tension through eye contact or blinking.

When chatting and talking, many people may have the habit of blinking habitually, and then his words can reduce his visual fatigue and speak more clearly. It's not embarrassing to look at someone all the time when you're talking.