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.

In the early stages of a relationship between an introvert and an extrovert, the personality differences can charm: The introvert may be intrigued by riding the coattails of a more social partner, ...

In a society that often celebrates outgoing personalities and thrives on constant social interaction, introverts can sometimes feel like they're speaking a different language. While introversion is ...