The Gym Bag EssentialMake the most of your workout: This 52-week fill-in book with detailed prompts helps you keep track of exercise, diet, and emotional well-being including:Previous night's sleep and morning mood Cardio workouts, with heart rate Strength day—your upper body & back, legs & abs What you ate, including snacks and booze Plus how you did with your relations with other people. Check one: amazing, not bad, shameful.Throughout are tips and motivations from the authors, whose core message—70% of the decay and 50% of the illness associated with aging are entirely preventable—has never been easier to put into practice.