A lad walks into his parents bedroom and sees his dad giving his mum one. he stares horrified at the sight.

his dad laughs and throws a pillow at the lad and tells him to get out. hours later the dad hears screaming and shouting from his lads room.

and he runs up the stairs and opens the door.

he finds his lad giving his grandma one. the dad looks horrified.

"not so funny when its your mum is it"says the lad.