Outdoors, changing rooms, public toilets if they are clean, per chance still at there apartment/house but with a bit more planning around like both calling in sick and meeting up when it is certain the apartment/house will be empty. But i would totally get it if both parties don't want to reveal Read more… where each of them live.

It's scientifically proven that it's just urine after all, so the different coloring goes back to 100% dietary reasons, bladder- and kidney-function.