For example, friendship is very important for the healthy development of a child. Through relationships with friends, children learn to express and manage and organize their emotions. They learn to compare themselves to others. They can also discover what other people like about them. If children aren't laughing, having fun, and getting excited, they aren't learning to calm down. They don't learn to control their emotions. Peers also play an important role in establishing norms and appropriate responses to them. In middle childhood, children learn behavioral norms and impression management through friendship. They also learn rules of social behavior. In contrast, during adolescence, people tend to discover who they are through their friendships. They can explore their identity through social comparison and reflective evaluation. Additionally, they learn to integrate logic and emotion. They can also find out if they are good people and what other people think of them. Friendship is very important for the development of high