...ok, no way I have all the answers... But Frode Grytten gives one really, really good advice here! Just write, no matter how bad turns out! It will be better later. And when you start writing, you never know what will happen.
I'm writing constantly, but in the writing process there's also a lot of thinking and taking notes. I'm there now. I really enjoy that phase. Writing is not just writing. I'm getting to know some new persons now. It can't really getting any better!