People who work in this business have different behavior but they have to work together, so different people, different behavior and work together that can lead to a lot of problem. By this it means some people have introvert and some people have extrovert so people who have extrovert have behavior that more friendly, outgoing, and sociable more that people who have introvert. People who have introvert must talk with people who have introvert same as them so maybe they close together.