It's quite shocking, really. But yet we persevere.
"Hank, Honey, we're going to start working on you wiping yourself after you go poo."
See? Already, use of the word 'poo' being flung about in everyday conversation.
"But Mommy! If I wipe in there, I might...TOUCH POO." *wide eyed look of horror*
"Well, yes, Honey, you realize Mommy and Daddy risk this all the time when we wipe you? You have to learn to do it for yourself, and that's why it's so, so important to wash your hands really good with soap and warm water after you use the bathroom."
"I don't really like washing my hands."
"Well, be that as it may, you have to do it anyway. Get some toilet paper and let's get started."