His Grandpa was a little taken aback, but he decided to tell him the truth.
“Well, Joey, it's called sexual intercourse.”
“Oh,” Little Joey said, “Okay,” and went back outside to play with the other kids.
A few minutes later he came back in and said angrily, “Grandpa, it isn't called sexual intercourse. It's called Bunk Beds.
“And Jimmy’s mom wants to talk to you.”
