True, in fact it's probably doing more good leaving it there
than washing it off, unless you have an infection and washing it
off is just a little antisocial methinks... the stuff that makes
piss yellow (urea) has an ammonia group (NH2) which effectively
makes your piss sterile so there's absolutely no risk from it
unless you have an infection.
ever heard the thing about pissing on your leg if you get bitten by
a jellyfish? same principle.
