It’s also time sensitive, and sometimes I end up wasting a couple of hours just tweaking settings, and character customization

How is mod support on linux for games? Does it work as usual via Proton?

I feel dumb, do I need to do anything else besides pasting it to my rules > temporary rules > save?

Are you able to filter it by language? My parents are old, and they did not have a chance to learn any other language like English

Yeah, OP might be unaware that in the past, it was more common to have a child before the age of 18 than the opposite, specially in rural areas