The insinuation had less to do with this dream setting and more to do with him not passing up a chance to paint Jack out as a wanker, but the end result is roughly the same. He gives it some though with such a serious expression that it's not difficult to tell that he isn't serious at all.
"No." he responds, gravely, before breaking out in a roguish grin. "We'll do better."
There's no doubt in his mind about that. Of course it'll be better when they're awake, as awake as they can ever be in this place.