I accidentally clicked "No" when it asked me if I wanted to save.
And then I cried.
Oh; dear God. I did that a few years ago. 200 pages in one sitting. And. I. Clicked. No.
I am still ready to kill myself over that one.
There ought to be a "HOLYCRAPNOTHATWASAMISTAKEGOBACKNOW!!!" button.
Or, since you're feeling really suicidal for at least an hour later a:
"You have exactly five minutes to sell your soul to the devil and reverse that choice!"
Can computers be bribed?
"I'll buy you a new flatscreen monitor if you'll bring back my novel!"
"Don't MAKE me uninstall that new antivirus!"
I can hear my computer laughing at me.
Tell it you have taken away its surge protector. Then we'll see who's laughing.