Feelings of terror about the environment and things, such as fear of needles, fear of the dark, fear of ghosts and monsters. In mild cases, the heart beats hard and the hands tremble; in severe cases, sleeplessness, insomnia, shrieking in dreams, etc. Jealousy. Showing unnaturalness, discomfort or even hostility when others are better than oneself

Parents think that children are still young, so they need to be strictly controlled, regardless of the rules will be no rules, the heart will play wild. For example, they control their children's studies, accompany them to do their homework, and impose strict requirements everywhere. Fear that the child can not do their own thing, so control the child's life, do things for the child.

Many parents of adolescent children still treat their children as "children", making substitutions and making decisions, while the physical and mental development of adolescent children is much faster than in the past, posing new challenges to parents.

After a period of alienation from the opposite sex, there is a new change in the adolescent's psyche, which is the emotional attraction of the opposite sex.

A child refuses to admit that he or she has done something wrong. Some children have strong personalities, stubborn, obstinate, capricious, self-righteous, and are unwilling to admit that they have done something wrong for fear of losing face after admitting their mistakes. Some children never have the habit of admitting their mistakes, which is related to their parents' education.