Why is peer relationships important during adolescence?

In the period of 10-15 years, landmarks and goals in life change. The status among peers becomes the main one. Since the transitional age is very difficult for a person identifying himself as an adult, in fact he is still a child. It is easier for a teenager to resolve some issues and seek advice from a one-year-old than from a parent. Not finding a common language with others, everything can be aggravated to suicide.