A out-of-towner in New York at the height of the tourist season decided to revisit an uptown restaurant he'd enjoyed on a previous trip to the city. Finally catching the eye of an overworked waiter, he said, "You know, it's been over five years since I first came in here." "You'll have to wait your turn, sir," replied the harried and now irritated waiter, "I can only serve one table at a time."