An introvert and an extrovert walk into a bar. (No, this is not a joke.) It’s a Saturday night, and the place is packed. A cover band is rocking on stage, dozens of people are talking loudly over mugs ...

While we all know individuals who are wildly outgoing, plenty of fun to be around and occasionally even obnoxious, chances are we relate less to these extroverts and more to introverts or people ...