Interesting topic. When pee comes up I will keep it casual whilst trying to get as much information without being too pushy. Some of my female friends are more open to sharing details than others.
I posted here in the past about a text conversation one friend had with me while she needed a pee during a bus trip.
My girlfriends sister is also bery open when it comes to discussing pee, poo and period related matters with me. I half think she may have a bit of an interest in toilet related matters but I can’t be sure, and probably never will be.
I also have 2 friends that peed while