I’ve been in the fitness coaching business for over 25 years, and in that time, I’ve tried many strategies to gain leverage over people. Why do I need leverage? Because when left to their own devices, people invariably make choices that undermine their own best intentions to get fitter and healthier. It’s easy to make the “right” choices in the presence of your coach or trainer, but it’s a different story when you’re back at work, at home alone, at a party, or opening the freeze...