This category deals with how we prefer to interact with the world and how we prefer to get our energy and stimulation. Extraverts are energized by other people and action. They are talkers, often thinking out loud, interrupting people at meetings, or bursting into a co-worker's office to ask an opinion, and then not really listening to it. Extraverts become drained when they have to spend too much time alone; they need other people to function. Introverts, on the other hand, get their energy from their own thoughts and ideas, rather than heated discussions. Introverts rarely speak up at large meetings, preferring listening to talking. Introverts need alone time, especially after spending a few hours with people.