I've seen a couple of watersports videos. I'm not exactly grossed out by them, but I don't find them particularly appealing either. I guess I've watched them more out of a scientific interest on how the female body works.
Urine is supposed to be sterile when you're healthy, but it's transporting waste out of your system none the less. (Well,
technically, so is breathing out.)
I guess I would get excited seeing you do it, but that's probably just me having my Danielle fetish that I developed.