Because we build the worlds we wouldn't mind living in. They contain scary things, problems, but also a sense of rightness that makes them alive and makes us want to live there.
But I will say that living in Ireland has changed the cadence and fullness of speech, since the Irish love words and use as many of them in a sentence as possible.
I have my good days and my bad days, but I don't have as much energy as I used to back when I was young and foolish and didn't count the cost - and it takes a lot - to write.
I also don't have organized religion on Pern. I figured - since there were four holy wars going on at the time of writing - that religion was one problem Pern didn't need.