Derek had already seen what Stiles looked like, his face stuffed with cock, and watching him suck and slick on his finger was bringing back those memories. Was it really only yesterday? Maybe he shouldn't be doing this. Maybe it was too soon. The boy was still a virgin.
"Eager for it," he murmured, approvingly. "You don't want to wait? Have your first time on a bed, spread out, comfortable, air conditioner...."