It's almost 2:30 am. I could quit now and be happy, since I've already beaten my previous record of 1 am. But I'm not that tired yet. Poor Sam and Frodo are running around in Mordor! I can't just leave them!
There's always more coffee, if it comes to that. Even if I don't get a spectacular page count, at least I will have the satisfaction of knowing that I held out as long as I could.