In the light, I caught Aubrie's fleeting surprise before she scowled, snapping back, "I'm just brushing my teeth. What's the big deal? If you're so delicate, go rent your own place."

They bickered back and forth, voices rising. Me and the other girl didn't know how to intervene.

It wasn't until Aubrie made a move to yank Nancy's blanket off that I finally spoke up, "Come on, cool it. We've got a quiz in the morning."

Aubrie shot me a nasty look, as if ...