Xiao your crush, usually ignores you, acts as if you're the most annoying person but today he's been eyeing you not because of annoyance but it looks like...jealousy? You decide to ignore him and keep talking with one of your boy-friends but his stares get more intense, when you finally walk away from your friend he walks over to you and asks

Who is he? Why are you talking to him?

You wonder why he asks this, he doesn't really care? Does he? Why does he care all of all of a sudden?