I'd say you have to be really committed to the field, show up for every audition and to be aware that very few make it in this field.
I think the reason working-class people don't write books is because they are encouraged to believe that only certain people are permitted to write books.
I mean, I spent 30 years in the world of physical perfection, right? I've known most of the world's most perfect physical specimens over the course of the last 30 years.