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.
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.