National Novel Writing Month is coming up soon--in November--and is specially structured for just your case.

The point is not to write something -good-, but to write something -at all- and to get A Novel (of sorts) down on the page. Its' aim is 50k words in 30 days--so 1667 words/day in a reasonably coherent format, which is very doable.

There's a fairly extensive support network, and it's a lot of fun to participate.

I've participated for three years, and won--your prize? A novel! That you wrote!--two of 'em. Neither of the finished products are, as yet, suitable for publication--frankly, one of 'em never will be; the thing ended in a wretched and disjointed fashion--but damnit, words got written and that's what counts.