Personality Changes come from the people you are with.

Fitting In

During this time in a teenagers life they begin to rethink who they are. For example they might lose self-esteem because everyone around them dresses a certain way, by trying to fit in they lose their personal identity. National Public Radio says when kids try and act cool now they have trouble managing friendships as they get older.   

-More than 40% of boys in middle school and high school regularly exercise with the goal of increasing muscle mass.
-75% of girls with low self-esteem reported engaging in negative activities like cutting, bullying, smoking, drinking, or disordered eating.