You're one to talk about what's silly. [And he can't help his shortness, gosh. That aside... He doesn't like the idea of letting him go. He really doesn't. Technically, the Joker hadn't done anything wrong yet, but Robin knew he would. What were you supposed to do in an instant like that?

So grudgingly, he turns away. He'll do things Batman's way... but just this once.] But just you wait, Joker. Try something funny and he'll be there before you can open your mouth to laugh.