A childhood belief about weeing and pooing

My cousin believed that his poop actually was a camouflaged submarine - akin to 10,000 Leagues Under The Sea. It was luxuriant, draped in fine velvet, had many rooms with crystal chandeliers, and the submariners wore fine evening gowns and tuxedos. The poor odor and grotesque appearance was simply a ploy to prevent curious children from disturbing their venture through the pipes on their way to the ocean - to live peacefully as they explored the reefs and depths. Out of respect, he never chopped a poop in half to see if it was true, in fear of killing the mariners or destroying their fine vessel.
He saw himself, in a way, as a walking and talking shipyard where these vessels were built and manned. The finished product exited his butt to enter the pipes of the toilet. He would never poop anywhere else but in a toilet.