A man walks into a chemist with his eight-year-old son. They walk by the condom display, and the boy asks, “What are these, Dad?”
To which the dad pragmatically replies, “Those are called condoms, son. Men use them to have safe sex.”
“Oh, I see,” the boy says, pensively. “I’ve heard of that in health class at school.” He looks over the display, 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 six-pack 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!” exclaims the boy. “Then, who uses these?” he asks, picking up a 12-pack.
With a sigh and a tear in his eye, the dad replies, “Those are for married men. One for January, one for February, one for March …”