Adolescence problems

Which is the problem?

Below a list of possible problems that teenagers usually show:

If several of these thing usually happen:

The adolescence stage implies a series of changes in the psychological structure of the individual, which can be summarized as follows:

Discovery of one’s own identity. The teenager intuits and discovers that «he» is «he», not another. Different from anyone else.
Ambivalence between childhood and maturity. He discovers himself with adult traits and child traits.
Insecurity towards the ambiguous reality. As a result of the above, the teenager shows a great insecurity in himself.
To disguise insecurity he needs to protect himself, for which he uses behavioral masks that prevent others from realizing reality. This is an unconscious mechanism.
Aggressiveness, as a mask, to protect his lack of security
Rebellion, another mask. Every teenager has a different way of being aggressive. Sometimes with verbal or behavioral violence and others in the form of self-absorption.
Need to attract attention. Narcissism. As a manifestation of the discovery of their own reality. Wants to tell everyone «This is me.»
The protection of the group. Group identity. The group provides shelter for personal insecurity and gives strength towards the threat of adults.
Know the boundaries. Most adolescent behaviors respond to a reason: to know the limits of adults, so they test them doing crazy things.