Analysis of other people's psychology, this person watched someone else's exam car crash like that, laughing me to death. She doesn't care if anyone gets hurt, and she says she'll never get it in her

Analysis of other people's psychology, this person watched someone else's exam car crash like that, laughing me to death. She doesn't care if anyone gets hurt, and she says she'll never get it in her life. This is the kind of person who can't judge his own heart, but at least he has no sympathy and doesn't care about others. In fact, this situation is very common among only children. They have been the center of the family since childhood, and others just follow them, so they become those selfish people.