Cas paused and looked back to the shower. "Riot..." He said softly, shaking his head as he moved over to the counter and leaned on it. "I won't." He could hear what he might have thought was desperation in the others voice, but his mind brushed that off as him hearing things. Still, he wouldn't leave him alone, even if he did have a training to get to. He'd take the punishment for missing it later.