A deadline is, simply put, optimism in its most kick-ass form. It's a potent force that, when wielded with respect, will level any obstacle in its path. This is especially true when it comes to creative pursuits.
Don’t be offended if you encounter some good-natured ribbing; the idea of writing a novel in a month deserves to be laughed at.
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.
A novel rough draft is like bread dough; you need to beat the crap out of it for it to rise.
Rereading parts of your novel while writing is like doubling back at rerunning parts of a marathon midrace.