New Delhi, Feb. 11 -- One drink, and your recovery score drops the next morning. A late dinner shows up as elevated resting heart rate. A bad night's sleep triggers a notification suggesting you skip training. Increasingly, fitness wearables don't just record behaviour; they interpret it, attaching meaning to everyday choices and subtly influencing how people move, rest, plan their days and evaluate themselves. From Whoop bands and Apple Watches to Garmin devices, Strava dashboards and smart rings, the body is now rendered as a stream of numbers. Heart rate variability, sleep stages, readiness scores, training load, calorie burn. Metrics once reserved for elite athletes now sit on the wrists of office workers, students and casual runners....