I have this same scale - but I don't understand how to work it, or what it's telling me. It knows my height, because my dh set it up, and I'm pretty happy with it's accuracy, which was most important to me. I wondered about the water #s...

As for understanding why the scale lies, I'm still not completely clear, but I'll re-read a few times. What I did understand was great - enlightening! Thanks! Will also pass along to my df who is eating clean and working out but not seeing the numbers move.