In short, we have to be extroverts. And if we’re not extroverts, we have to learn to pass as extroverts, at least convincingly enough so that we won’t be regarded as weird or anti-social or “too much in our heads”. (God forbid that you be, you know, an intellectual.) We also have to pretend that many of the real extroverts, as they dominate the conversation and confidently hold forth with their faulty opinions, who will talk without thinking and rarely think to listen, don’t annoy us.