Picture this (go ahead; it's an easy one): You're bored with your workouts. Nothing's changing; you're not getting stronger or leaner or feeling better, and, heck, maybe you'll just take a layoff and see what happens. You know what happens. That two-week layoff lasts a year, that's what happens Now consider this: Traffic was light and you're fifteen minutes early for your dental cleaning appointment. You flip open your tablet and bring up...