like, it's not fucking uncommon. everyone fucking knows this. like, it's- it's ac- it's acceptable if you can't go out and buy one. like, it's understandable if you're already in the shower and yours breaks, and you use your friend's. but, it's not acceptable when you know that yours is broken, but you won't go out and get your own, and then use your friend's, or your roommate's, or whatever. like, no.