If you’re trying to lose weight – don’t live and die by what the scale says. Trust what your jeans are telling you! That’s according to Dr. Stephen Gullo, who wrote The Thin Commandments. He says small fluctuation on the scale are most likely due to water weight – which is unstable fluid retention in your body’s tissues. So if you had something salty, the numbers will go up. However, if your jeans are getting loose, you’re dropping fat, no matter what the scale says from one day to the next.