Stiles stuffed the textbook back into her bag, zipping it shut properly this time -- she really did not need to drop everything on her way home again. Yes, again.

She opened up a new message when Derek handed her phone back, and sent him a smiley face. That was cute, right? Cute and uh. Not forward or anything. It was just a normal, smiley. "Aaaaand... there you go. Now you've got my number too."