Loudly

In retrospect, you did get a bit too close for most people's comfort. Especially a person who was in a wet dream to wake up and see a strange man inches from you face.

But throwing a textbook at your nose was maybe a bit much.

Thank god for reflexes. You quickly duck and avoid having "Freshman guide to Biology" being a cause of broken nose.

"WHO THE HELL ARE YOU?!" She asks, picking up her next weapon of choice, a chem text book.

"CALM DOWN! PLEASE!"

You look up at her from your crouched position, her book hovering above your head as she listens.