Heisenberg is probably a decent fella, but I've never had one decent communication with him. He lurks waiting for something trivial to nitpick, and then he is like a dog with a bone and spends the rest of the conversation going on about the same thing over and over again. He may think it's amusing, but I don't have time for this sort of thing. If people want to play up, they get it straight back. I just mirror their behaviour, even if they don't realise it.