I have a classmate who has this character from the beginning. They are very self-centered. At best, stick to your own personality. Worst of all, they don't consider other people's feelings. They feel that they are the biggest in everything. It doesn't matter whether they do it or not if they can't make themselves happy. It is in this state of mind that others find it particularly difficult to get along with him because he has not learned to respect others.
But in the dormitory family, we are all watching what others do. It is precisely because other roommates in the dormitory will consider other people's feelings in everything they do that my classmate has also learned a lot from it. He is making changes now. He may still have some self compared with others, but we can see his efforts. He began to think about other people's feelings. For example, when playing songs in the dormitory, he would ask everyone if they were going to sleep now.
This is how people get along with each other. We should not be too self-centered, otherwise it will affect the normal life of others.