You've finally gotten that long-awaited yes from an editor or agent! First, let me say congratulations! You've earned this, and you should enjoy every moment of it. Now, come back to earth for the time being, and let us get a little realistic here.
Ernest Hemingway said this about writing: "There's nothing to writing. All you do is sit down at a typewriter and bleed." If you've been writing long at all, you know he's right. Why do we write? Simply put, we love it.
We've all had it: the dreaded writer's block. It's inevitable at some point... However, there are ways to combat this dreaded condition.