On the way home...
"Hayes, it's not polite to say you have to poop in public. You should say that you need to use the restroom."
"Why? You don't poop in a restroom. You rest in a restroom."
"Restroom is another word for bathroom."
"I don't have to poop anymore. It sunked back up into my body. It went right here to the biggest bone in my leg."
Once home, after he did his business, he informs me...
"Boys' bottoms look like tea pots and girls' bottoms looks like flipped over mountains."
May your conversations today be as informative as mine.