Derek walks away back down the hall, and Stiles closes his eyes tight and then reopens them, trying to force his eyes to adjust to the blackness inside.
"How can you see in this?" he whispers. He's glad he spent the weekend here, that he remembers how to get to Derek's room, and he sort of creeps along the wall, feeling his way, until he gets to the doorway. He stands there, waiting again for his eyes to adjust. "Or are you using your werewolf eyes?"