On his way out of church after mass, Frank stopped at the door to speak to the minister. "Would it be right", he asked, "for a person to profit from the mistakes of another?"
"Absolutely not!"replied the pastor, disappointed that Frank would even ask such a question.
"In that case", said the young man, "I wonder if you'd consider returning
Spoiler:
the hundred dollars I paid you to marry my wife and me last July"
Of course it'll fit; you just need a bigger hammer.