what do you call a lost wolf? (a where-wolf)
Derek understands that Stiles has a lot on his shoulders. He's been putting in so much time and effort into helping the pack bond and really become a family of sorts and he can't even begin to articulate how much that means to him. That does not mean, however, that it's okay for Stiles to neglect himself in the process.
Well, if Stiles is going to insist on ignoring his basic-human needs, then Derek will have to take care of it for him.
OR
The five times Derek takes (maybe a little too much) care of Stiles and the one time Stiles makes him talk about it.