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.

You know that friend who seems quiet in groups but becomes a total chatterbox when you’re one-on-one? Or the person who’s always the life of the party but gets weirdly focused when they’re working ...

Introverts and extroverts have their differences, but there are some things the former could learn from the latter. We've all felt that pang of envy watching the extrovert in our life effortlessly ...