I don't think you can sing about certain things when you're a teen-ager or in your early 20s, because you haven't lived long enough. So I think living gives you character and that comes out in your voice.
One danger, when you're writing lots of quick, opinionated blog items about the latest developments, is that you never get around to stating fully, in one place, what you think about a particular topic.
I always choose my projects for the script or what the director want to tell with that story. And if I like the story.