Girls, I'm just trying to be respectful. Could I ask y'all sone questions about when women use the men's room?

Bettering_Myself
So in my home town we have a good number of bars. With a lot of bars comes a lot of drinking. With a lot of drinking comes pee. The line for the ladies rooms are usually way longer then the line for the guys rooms so, of course plenty of girls use the guys room. I am just loaded with questions so here are a few:
Is there a particular etiquette to this?
Do I just act the same as I would if the person beside me were a guy?
Is it weird to have a conversation?
Is it weird if, when other guys stare, I stand in front of her so she has a little more privacy?
If there's no wall between the urinal I'm using and the urinal she's using and she checks me out, how should I respond?
How do y'all pee standing up/ use urinals?
What is it like from a woman's perspective to pee in a urinal?
Any examples of times peeing standing up has gone badly for you?
... Hopefully this isn't an overwhelming list of questions. I'm not trying to be a creep here, I'm just a little out of my element.
Girls, I'm just trying to be respectful. Could I ask y'all sone questions about when women use the men's room?
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