At this age, adolescent children are rebellious. As parents, you can't worry, and you are prone to rebellious psychology. Also, they can chat with their same-sex brothers or sisters in their twenties. After all, they have just passed this period, and the age difference is not big, so it is easy to communicate. Also, they can talk about certain aspects of knowledge with their children appropriately. In short, they can't blame their children for what they did wrong. We should communicate with them more and give them more free space. Some of them.
Moreover, children who are in adolescence are rebellious. Parents must care more about their children and communicate with them more. They must not be bored with children and not communicate with them. Especially when children ask about physical problems, some parents find it difficult to say. The more taboo parents are, the more curious their children are. Therefore, parents must make it clear to their children, or they will close their hearts to you if they don't get your attention and answer.