Little Johnny is walking by his parents bedroom when he hears alot of noise.

He opens the door and sees his dad with mom bent over the dresser having sex.

Dad looks at Little Johnny and smiles and winks. He motions for Johnny to leave the room so Little Johnny leaves.

A few minutes later dad is walking past Little Johnnys bedroom and hears a noise.

He opens the door to see Little Johnny with grandma bent over the dresser having sex.

Little Johnny looks at dad and smiles and winks.
He says to dad:
"It's not so funny when it YOUR momma, is it?"