The social environment greatly influences an individual's personality formation and choices. It is a social environment, the whole social network of this, including the family, which is the most important environment of behavioral structuring of the individual. There are some stages of influence, according to age, family is first, followed by school, friends, affective relationships, work. In the case exposed in the question, friends influence the choice of clothing that an individual wants to buy, showing an example of influencing social environment.
