The article explores the meanings of self-awareness and self-understanding in the process of personal cognition as well as the mechanisms of this knowledge. According to the results of the empirical research method, the majority of the teenagers considered themselves as having positive personal qualities which coincided with their parents’ opinions. The personal essence of such consideration lies in the fact that the characteristics important for the process of communication predominates in the teenagers’ views about themselves. As a result, considerable coincidence of the teenagers’ opinions about themselves and the supposed notions of their parents gave an idea that the parents view their children in the way the teenagers do themselves which is called “teenagers egocentrism”.