I might be wrong, but I thought you piss out kidney stones, not shit them out.
Have fun with that, though!
__________________ Bobo Adobo is funnier and smarter than all of you, proven by the fact that he is currently in a high-paying and important government job where he earns a fat cash paycheck and much pussy. How did he get so famous and successful you ask? It's simple: he has never, in his entire life, watched one second of anime.
- Outerspacekid