Words of writerly wisdom from Chris Baty—cofounder of NaNoWriMo—from his book No Plot? No Problem!, which I am currently reading in lieu of, y'know, actually writing:
You've probably heard the old adage that if you want to get something done, you should ask a busy person to do it. I've discovered that is acutely true when it comes to novel writing.
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For me the moral of the story is this: A rough draft is best written in the steam-cooker of an already busy life. If you have a million things to do, adding item number 1,000,001 is not such a big deal. When, on the other hand, you have nothing to do, getting out of bed and washing yourself before 2:00 P.M. feels like too much work to even contemplate.
As Isaac Newton observed, objects in motion tend to stay in motion. When writing your first draft, being busy is key. It may feel frustrating at first, but having daily writing periods curtailed by chores, family, and other distractions actually helps you get the thing done. This is partly because the hectic pace forces you to type with a fleet-fingered desperation. But it's mostly because noveling in the midst of a chaotic life makes "book time" a treat rather than an obligation. It's a small psychological shift, but it makes all the difference in the world.
True story.