Harry hosted a dinner party. One of his guests was a surgeon.
While deftly carving the roast, Harry kept up a running commentary: "How am I doing, Doc? How do you like that technique? I'd make a pretty good surgeon, don't you think?"
When Harry had finished and the slices of meat lay neatly on the serving platter, the surgeon spoke up:
"Anybody can take them apart, Harry. Now let's see you put them back together again."