I find that sometimes writing in a different place has a notable effect on output. Though sometimes I make myself write in different places to make myself flexible.
Don’t remember which library this was. I think it was either the Jones (Amherst) or the Forbes (Northampton) in Massachusetts.
I believe having sex in a library is kind of a niche kick; I don’t know personally, just something I’ve heard.
There is an erotic blog primarily about library sex. The author is apparently an actual librarian somewhere in the US…