A little three year old boy is sitting on the toilet. his mother thinks he has been in there too long, so she goes in to see what's going on. The little boy is sitting on the toilet reading a book, but every 10 seconds or so he puts his book down, grips onto the seat with his left hand and hits himself on the head with his other hand.
His mother says, "Billy, are you all right?? You've been in here for a while."
Billy yells out to his mom, "I am fine, Mommy...I just haven't gone doody yet."
Mother peeks into the bathroom, "Okay, you need to hurry up though."
Mom, "Billy, why are you hitting yourself on the head?"
Billy, "It works for ketchup!"