A young boy in the second grade, just getting home from school, runs up to his dad.

"Daddy, daddy! I'm the only one in my class that can count to ten. Why do you reckon so?"
"Why that's because you're from Kentucky son," the dad responds.

The next day the boy gets home from school again and runs up to dad.

"Daddy, daddy! I'm the only one in my class that knows all the letters in the alphabet. Why do you reckon so?"
"That's because you're from Kentucky son," the dad tells him again.

The next day the kid busts through the door.

"Daddy. daddy! I'm the only one in school who has a large penis. Is that because I'm from Kentucky?"
The dad looks at him and says, "No, that's because you're 22."