How you know you're an introvert at heart:
Go to the Texas Library Association conference. Eat the same things you always do, sleep as much as you normally do, work out, but spend the day meeting people instead of walking around campus and work. Come home and sleep for two days in order to stop feeling the overwhelming crush of exhaustion.
I normally get seven hours of sleep a night. Last night, I got ten, and I'm just barely starting to come out of the fog.
Fortunately, I have piles of new books and a pan of Andes mint brownies with which to nurture my