John did as he was asked out of curiosity and amusement more than anything else. He waited, and he watched. That was an interesting sight. If he wanted to be sober more often, it might be useful to learn. Doubtful he'd ever learn it though.
"So you really are Nehash?" he asked. He inhaled a small amount from the cigarette before stubbing it out. He picked up the glass he had brought over with him and leaned back in the chair. "In a roundabout way I should be thanking you. Sort of you. Assuming diferent universes are at play here. See, the version of you that I know got shanked in the back with a Ceremonial Tibetan Phurba knife. Not a very pretty death but a clean one at that" he smirked before taking a drink.