12:24:23 PM Oct 25th 2010
Unfortunately, I've been guilty of serial tweaking, but it usually happens when I try to use preview only to find that I see "Waiting for TV Tropes ..." or "Sending request ..." at the bottom of my browser window for a while and no preview page showing up. For some reason, saving the page is sometimes quicker than previewing it. Darned if I know why.
11:58:56 PM Sep 19th 2011
My serial tweaking episode happened just a little bit ago. I was starting a new page, and scared that I was gonna lose it all somehow (Yay for 1 am logic!). So what did I do? Fall back on old video game instincts: Save Early, Save Often