09/01/2026
Your scale can't tell the difference between fat and the muscle that keeps you upright at 80.
It's not a bad tool. It's a tool that measures one thing — and that one thing moves for about six reasons, most of which have nothing to do with whether your plan is working.
After 30 you lose as much as 3–5% of your muscle per decade. Nothing on a bathroom scale will ever tell you that's happening.
Save this for the next time the number goes the wrong way and you're ready to quit something that's working.