Some books arrive in your life like a loud motivational speaker with a mic that’s a notch too high. Others slip in quietly, pull out a chair, order cutting chai, and say, “Listen, try this one small thing today.” One Habit a Day belongs firmly to the second category.   I remember reading it late one evening, phone on silent, the house finally exhaling after a long day. No dramatic before-and-after promises. No “change your life by tomorrow” bravado. Just a steady, calm voice