“GENERAL NOTE TO MYSELF - Douglas Adams

Writing isn’t so bad really when you get through the worry. Forget about the worry, just press on. Don’t be embarrassed about the bad bits. Don’t strain at them, give yourself time, you can come back and do it again in the light of what you discover about the story later on. It's better to have pages and pages of material to work through and often maybe find an unexpected shape in that you can then craft and put it for good use, rather than one manically reworked paragraph or sentence.
But writing can be good. You attack it, don’t let it attack you. You can get pleasure out of it. You can certainly do very well for yourself with it...!”