"We all have our excuses for not getting the physical activity we know would be good for us. With care, humor, and compassion, modern psychologist Diana Hill and trailblazing movement expert Katy Bowman teach us how to apply simple but effective principles of psychological flexibility. It's a new spin on fitness psychology, using real-life examples and science-based methods to help us retrain our mind to be an ally in the quest for better health"--