"Kick bad mental habits and toughen yourself up."--Inc.Master your mental strength--revolutionary new strategies that work for everyone from homemakers to soldiers and teachers to CEOs.Everyone knows that regular exercise and weight training lead to physical strength. But how do we strengthen ourselves mentally for the truly tough times? And what should we do when we face these challenges? Or as psychotherapist Amy Morin asks, what should we avoid when we encounter adversity? Through her year...