Discipline allows magic. To be a writer is to be the very best of assassins. You do not sit down and write every day to force the Muse to show up. You get into the habit of writing every day so that when she shows up, you have the maximum chance of catching her, bashing her on the head, and squeezing every last drop out of that bitch.
And death doesn’t wait for you when your rested and ready. It sneaks up on you when your exhausted and hungry and cold and so scared you can’t even see straight