There's this old saying that, if you aren't particularly gifted in natural sciences, if you don't want to become a teacher or pastor or doctor, and don't know what else to do, then you become a lawyer. But I've never regretted it.
As an author, you can't expect a movie to be an illustration of the book. If that's what you hope for, you shouldn't sell the rights.
I love writing, and I am never as happy as when I have a week, a month - three months - with nothing to do but write.
As a citizen and someone who was a judge on the constitutional law court for 18 years, I feel whenever I can raise my voice with the hope of being heard I need to do it, but I wouldn't assign a special wisdom and responsibility to writers.
I certainly know German colleagues in the U.S. who try to be Americans, try to melt into Americanism, even before they get married and become American citizens. But I've never tried that.