Hangover, hangover, what to do for a hangover?

Well, somewhere in his head, he knew that the cause of a hangover was dehydration, so he got a large glass of water and some of the painkillers that were left over from his concussion and knocked softly on Cassie's door. He resolutely did not think about last night and the fact that she'd kissed him. That he'd kissed him. It was too weird to think about.

"Hey, sleepyhead, you up in there?"