Only other thought I have is that maybe, assuming you're female, it's that time of the month for you. I will go up anywhere between 3-5 pounds the week before and during.
"If you drop an egg, you don't say, 'Oh, shoot' and drop the other 11, do you?"
-Source unknown, but obviously brilliant
Reached goal 4/16/2010...but kind of afraid to look these days