"If you encounter three jerks in one day, you're the jerk."

Community of jerks usually easily accept another jerks, so it's quite possible to find yourself among jerks even if you're not jerk.

Ha! You've never worked as an air traffic controller. That job attracts type-A personality jerks like honey attracts flies. I've met dozens of jerks at one time. And not a single one of them would call me a jerk. Okay, maybe one or two of them would. It's such a toxic environment—I had to resign.