Have you ever just googled what you're saying is "impossible"? There are multiple female only boarding houses in nearly every metropolitan city [0][1]. Your comment is nothing but factually wrong snark with a political agenda that isn't the point of the forum.
[0] https://tmhdc.org/ [1] https://www.thecut.com/2015/03/why-i-live-in-an-all-women-bo...
(and those two links took all of 15 seconds to find)