I'm convinced Nic Gruen has a sense of humour. He just doesn't let it get the better of him:
Hmmm ... that kind of thing? Is it possible I've been caught by a cleverly crafted comeback?
Speaking of champagne comedy, anyone aspiring to greatness of gag ought look no further than Tony Robinson's Worst Jobs in History:
TR: "Why do we use cattle to plough fields, and not horses?"
Saxon farm doyen: "Cattle are beefier."
I mean, gold!