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.

Usually the hang is glorious. But sometimes, the energy is off. I've never confronted my extroverted friends about this. So it was validating to hear from Jennifer Kahnweiler, author of The ...

Introverts may be the quiet members of society, but they make up a significant portion of it. While precise numbers are hard to find, introverts likely comprise at least a third of the U.S. population ...