[ He nods, suddenly not all that hungry, but Stiles made the effort, and he likes the kid, he's grateful that he bothered in the first place. They both lost someone. ]

No, stay. [ He means it to sound casual, but it sounds more desperate, pleading almost. ] Unless I'm cramping your style. [ A pause, the humour slipping. ] Sorry I didn't tell you first, I know you were close. Can't've been great finding out like that.