In adolescence, there are a lot of new things going on, and usually is more exciting, because they experience new things is a sign of passage into adulthood. Of the problems arising from social, curiosity about romance and sex, to rub problems with the law and prevailing social order around teenagers.

Things that last usually occurs due to many factors, but based on research, the largest amount was due to “high” feeling of solidarity between friends, group recognition, designation or event identity. Problems will arise when the teens the wrong direction in the group.

Many psychologists who claim that adolescence is a time of great trouble, turbulent, risky (psychologically), over energy, etc., caused by certain active hormones. But the statement arising from a stereotypical statement with the statement above, making teens also feel that what is happening, what they do is a common and reasonable.

Interest for the group to be part of the growth process that adolescents experience. What is meant here is not just the ordinary, but a group that has a specific orientation, values​​, norms and agreements that specifically applies only in the group. Or so-called gang. Usually this kind of age group peers or peer group can also be called.