A husband and wife were driving down a country lane on their way to
visit some friends. They came to a muddy patch in the road and the car
became bogged. After a few minutes of trying to get the car out by
themselves, they saw a young farmer coming down the lane, driving some
oxen before him. He stopped when he saw the couple in trouble and
offered to pull the car out of the mud for $50. The husband accepted
and minutes later the car was free.

The farmer turned to the husband and said, "You know, you're the tenth
car I've helped out of the mud today." The husband looks around at the
fields incredulously and asks the farmer,"When do you have time to
plough your land? At night?"

"No," the young farmer replied seriously, "Night is when I put the
water in the hole"