Have you ever done everything the same way you always have — same effort, same habits — and gotten a different result? Most women land on one explanation first: hormones. And they're not wrong to look there. But hormones are one piece of a bigger picture, not the whole story. The truth is, your body — and your life — have both changed. A few specific things are working against you now that weren't in your 20s and 30s, and none of them are about willpower. It's Not a Willpower