To create instant lordosis (the posture, if not the hormonal reflex), you can go to your closet and put on a pair of high heels. Whether stilettos or wedges, high heels exaggerate the lower back’s normal lordosis. If we didn’t compensate by tipping out our buttocks and arching that lower spine, we would topple over. Maybe the forced, if artificial, lordosis is what’s enduringly attractive about high heels—and why wearing them both looks and feels sexy.