When My Fitness Tracker Finally Got Me (And Why Yours Probably Doesn’t Yet) For years, my fitness tracker gave me the same generic advice every single day. “Walk 10,000 steps.” “Burn 500 calories.” “Get 8 hours of sleep.” It didn’t matter that I was on day 22 of my cycle, feeling sluggish, bloated, and barely able to drag myself through a workout. It didn’t care that my basal body temperature was half a degree higher than usual, or that my resting heart rate had been climbing for three days straight. It just kept cheerfully suggesting the same one-size-fits-all goals, like…