Show more interest in and influence by peer group.Focus on themselves going back and forth between high expectations and lack of confidence.Show more concern about body image, looks, and clothes.Here is some information on how young teens develop: Emotional/Social Changes They become more independent, with their own personality and interests, although parents are still very important. At this age, teens make more of their own choices about friends, sports, studying, and school. Other challenges can be eating disorders, depression, and family problems. This also will be a time when your teen might face peer pressure to use alcohol, tobacco products, and drugs, and to have sex.
They might be worried about these changes and how they are looked at by others. Most girls grow pubic hair and breasts, and start their period. Most boys grow facial and pubic hair and their voices deepen. This is a time of many physical, mental, emotional, and social changes.