"I live here!" Sebastian waved his arms around at the library. Okay. He was a little stressed by what had happened and anxious and he'd probably surprised Casey, too. But his heart was racing and he'd just re-experienced several really bad moments. So he might be overreacting. Just a little. "And I heard you 'woohoo'ing."

What else could he call it?

He looked back towards the shadows and straightened his hoodie a bit, trying to calm down.