A little girl walks in to the sitting room one Sunday morning while her Dad is reading the paper.
"Where does poo come from?" she asks.
The father feeling a little perturbed that his 5 year old daughter is already asking difficult questions thinks for a moment and says:
"Well you know we just ate breakfast?"
"Yes," answers the girl.
"Well the food goes into our tummies and our bodies take out all the good stuff, and then whatever is left over comes out of our bums when we go to the toilet, and that is poo."
The little girl looks shocked, and stares, at him with watery eyes in stunned silence for a few seconds and asks: