by yourself

be yourself, because we are different from other people, age, education, environment, family, work, everything is different and that require toughness in the face, then be yourself.
Other people can say a lot about you but the final decision remains in you because you were the living it, not them, to be oneself is responsible for any action or decision we make, this is a maturing process of attitude.
therefore a lot of personality problems experienced in adolescence, where everyone is looking for his true identity, sometimes acting funny by imitating his favorite character, which sometimes can be harmful to its future, it means to be yourself is necessary for everyone, especially teens