Wow. So much misinformation right there, kiddo.
I'm interested, condecending epithets aside. Will you please spend the time to refute aborgman's central point and cite your source?
What he's saying seems to make sence to me. If you put less sand in a bag than you take out of the bag, you're going to end up with a lighter bag of sand. Why wouldn't eating less food than you're working off end up making you lighter?