Little Johnny wakes up several nights in a row when he hears a thumping sound coming from his parent’s room.

Finally, one morning he says to his mom, “Mommy, every night I hear you and daddy making noises and when I look in your bedroom you’re bouncing up and down on him.”

His mom is taken by surprise and says, “Oh…well…ah…well, I`m bouncing on his stomach because he`s fat and that makes him thin again.” The boy responds, “That won’t work!” His mom says, “Why not?” The boy replies, “Because the lady next door comes by after you leave for work each day and blows him back up!