Joe smiled crookedly at William. "It's cool, dude." After so short a time at the school, Joe still felt a little uneasy when it came to where he stood, so it was nice to be useful for something. Even if it meant prying into people's worst nightmares.
Exhaustion was creeping around the edges of Joe's mind, but hell if he really wanted to go to bed and invite his own dreams into his head. Forget that. "If you wanted to stay, that'd be cool," he said, just slightly awkwardly. He didn't really want to say that he was a little afraid to go to sleep at this point.