
“Yes,” he said. “I do. My father taught me.”
“Good. What comes after three.”
“Four,” answers the boy.
“What comes after six?” “Seven.”
“Very good,” says the teacher. “Your dad did a good job. What comes after ten?”
“A Jack.”

The young man rushed into town, collected his money, then hurried back home. He ran across the field, told his father the news, and handed the older man a $50 bill.
The father looked at the money for a moment and then said, “Son, you know I’ve always been careful with what little money we had. I didn’t spend it on whiskey or women. In fact, I couldn’t even afford the license to legally marry your Ma.”
“Pa!” the young man stammered, “do you know what that makes me?”
“Yep,” said the old man fingering the $50, “… and a cheap one, too.