Derek could feel Stiles' eyes on him and he smiled, turning just as he pulled up his sleep pants. He knew he wasn't horrible to look at and neither was Stiles. He knew that when he got to that part of Stiles training that they'd have... some fun.

"Well, you'll need to be taken out eventually. I'm not just going to waste money on clothes that might not fit you. Besides, your next owner might want to show you off outside," he said as he neared Stiles.