A man walks into a drug store with his 8-year-old son.
They happen to walk by the condom display, and the boy asks,
"What are these, Dad?"
The man matter-of-factly replies,
"Those are called condoms, son. Men use them to have safe sex."
"Oh I see," replied the boys pensively.
"Yes, I've heard of that in health class at school."
He looks over the display and picks up a package of three and asks,
"Why are there three in this package."
The dad replies, "Those are for high-school boys.
One for Friday, one for Saturday, and one for Sunday."
"Cool!" says the boy. He notices a pack of six and asks
"Then who are these for?"
"Those are for college men," the dad answers, "
Two for Friday, two for Saturday, and two for Sunday."
"WOW!" exclaimed the boy. "Then who uses these?" he asks,
picking up a 12-pack.
With a sigh, the dad replied,
"Those are for married men.
One for January, one for February, one for March