Oooo, Lisa that's a good one. Had an interface once that almost came to blows over saving lounge chairs.
Let me ask, do you have to tip the Maitre d' if you hadn't seen him all week? I mean, if I felt he was busy making everyone's dining experience special, then he earned it, even if he didn't stop by my table. But if I got the impression he was playing footsy with the barmaid in the freezer all week, would I be justified in stiffing him?