1. First of all, many people are rebellious, especially children. Our parents won't let us do what we should do. In fact, the mouth is the same thing, and it is not good to know. It may hurt my lips, but I still want to try.

Secondly, many people have some obsessive-compulsive disorder now. For example, after going out, they must go back and see if the doorman is locked. After eating, they must eat what they can't leave behind. There is still a wound. Many people will tear scabs, and they often bleed at this time. Tearing the skin of the mouth is like tearing the wound of the mouth. I always feel comfortable when I tear it.

Third, when you are nervous or encounter some situations, you always bite your lips subconsciously to relieve anxiety. Some people say that they are actually punishing themselves, and many people have this mentality.

In addition to the mouth, in fact, some people in life like to tear barbs, which is very painful, and biting their nails makes them more relaxed. In fact, these situations are not good. I hope everyone can get rid of it slowly.

Extended data:

Causes of dry and peeling lips:

One of the most common reasons for not drinking enough water is that if there is no water, not only the skin will be dry, but also the lips will be chapped easily. Drink more water every day, because water is really important to us. It helps us detoxify.

Secondly, some people use bad lipstick, and some products will hurt our lips and easily cause lip inflammation. This is also part of the reason why some people have dry skin. There is also because of poor health, there are often some allergies and inflammation of the lips.

Thirdly, in autumn and winter, the weather is very dry. At this time, our mouth will become very dry and dead skin will often appear. In addition, many people don't like drinking water without lipstick, so there will be more and more dead skin.

Fourth, for some people who go on a diet to lose weight, they often skip meals, and sometimes their bodies lack the vitamins they need. In this case, we should also pay attention.