At 49, with 20+ years of clinical practice, I can tell you the biggest thing keeping women stuck after 40 isn’t bad habits. It’s outdated advice from well meaning professionals who don’t understand your hormones, functionally. 1. “Just eat less and move more.” After 40 this tanks your metabolism. Undereating spikes cortisol, breaks down muscle, and puts your body into conservation mode. You eat less and gain more. 2. “A calorie is a calorie.” Your 40+ hormonal system treats 200 calories of protein completely differently than 200 calories of sugar. Insulin response matters more than calorie math after perimenopause. 3. “Cardio is the best exercise for fat loss.” Muscle is your primary glucose regulator. After 40 you’re losing muscle every year you’re not deliberately building it. Strength training is non-negotiable. 4. “Cut fat to lose fat.” Fat didn’t make you fat. And having enough fat is critical for balancing blood sugar and reducing insulin dependence. But here’s the Goldilo...