Can't seem to match the energy of a good friend? You might be on opposite ends of the personality spectrum — and that's OK.

I'll never forget telling my father that I had just taken a psychological test called the Myers-Briggs (aka, the MBTI, or Myers-Briggs Type Indicator). "I've realized that I'm an introvert," I said ...

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 ...