If biting Stiles was an option once he knew who he was, Derek would've planned on it for shooing him. But he knew he was going to keep his teeth to himself. He was considering shredding a pillow, though.

At that, Derek whined again then decided to do the most pitiful thing he could. He stood up then limped toward the door, pretending his left hind leg was hurt as he settled directly in front of the door with a whimper so he could curl up there.