The first image that probably comes to mind when we hear the word extrovert is someone talking their heads off, being the center of attention and surrounded by a lot of people. On the other hand, when we think of an introvert we associate images of a quiet person, with few friends, and even insecure of himself (read here about the myths of being an introvert). It was the psychologist Carl Jung who classified these two groups based on where they find their source of energy. In short, Jung argued that crowds…