He almost smiles at the mention of killing him. He's... done that before, he's not afraid of it so much. Not if it's for a good reason. "I'm not going to tell anyone. But uh... that might be kind of... a problem... since Bob follows me pretty much everywhere."

Of course he's not going to say just why he has to. Not yet, at least. That's not a good subject to broach so easily.