Snape rose to greet his guest, the politeness a little less forced than usual, in light of how pleased he was by Moody's promptness. "Glad to see you could attend so soon," he replied, waving an armchair over for the man as he resumed his own seat.
Dumbledore would have wasted time in pleasantries, offers of tea and biscuits. Snape had never appreciated such irrelevancies, and he knew Moody well enough to know he shared Snape's impatience with the social niceties.
So he said straight away, "Dumbledore's well and truly the wrong side of a hundred, while Riddle's still a teenager, who hasn't even begun to really experiment with the possibilities the Dark Arts offer for unnatural extension of life. We have to face the possibility that this war will outlive Dumbledore.
Do you have any thoughts on how the Order would weather his loss?"