A couple drove down a country road for several miles, not saying a word.
An earlier discussion had led to an argument and neither of them wanted to concede their position.
As they passed a barnyard of mules, goats and pigs, the husband asked sarcastically,
“Relatives of yours?”
“Yep, “the wife replied, “in-laws. “
This joke is included in the Black Book of Jokes. You can order it from here.