...scraping all the way through your kidney and down the walls of your urethra for hours until it finally comes out. Agonizing pain while waiting in ER until they can get to you. I've passed three. Kidney stones are no party.
@PatKirby I have a friend in NorCal that is loaded with stones, at 3 to 4 a year, he has a permanent vicodin scrip because of them and has to piss through a kitchen strainer. He says a stone the soze of a grain of sand feels like a boulder made of razor blades.