A while back, the Mild Wife and I decided to get a fancy shmancy smart scale ( something like this ). We both like to keep an eye on our health, and the scale is one of those numbers that provides some hints about general health. Sure, the actual weight number can be misleading, but that's where a smart scale fills in some of the gaps. If you measure both your overall weight and your fat percentage, you've got a decent picture of what's happening with your body. Now, we both know that the numbers aren't supposed to be completely accurate. However, so long as they're consistent, you can make deductions about how your diet and exercise are treating your body. Let's say the scale consistently says that you're five pounds heavier than you actually are. That's nice, but it's the same five pounds every single day. If my weight is lower on a Tuesday than on a Monday, that still means I lost some weight. So far, the scale has proven useful, but I get a b...