“But, it can’t wait,” the man yelled furiously.
“Young man,” said the doctor impatiently, “she can’t have appendicitis because I removed her appendix over five years ago. Just relax and do as I say. She can’t have more than one appendix.”
“Well, a man can have more that one wife,” said the man acidly.
The doctor rushed right over and, sure enough, the new wife had appendicitis.