"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 years counseling others and her own experiences navigating personal loss, Morin realized it is often the habits we cannot break that are holding us back from true success and happiness. Indulging in self-pity, agonizing over things beyond our control, obsessing over past events, resenting the achievements of others, or expecting immediate positive results holds us back. This list of things mentally strong people  don't  do resonated so much with readers that when it was picked up by Forbes.com it received ten million views. Now, for the first time, Morin expands upon the thirteen things from her viral post and shares her tried-and-true practices for increasing mental strength. Morin writes with searing honesty, incorporating anecdotes from her work as a college psychology instructor and psychotherapist as well as personal stories about how she bolstered her own mental strength when tragedy threatened to consume her. Increasing your mental strength can change your entire attitude. It takes practice and hard work, but with Morin's specific tips, exercises, and troubleshooting advice, it is possible to not only fortify your mental muscle but also drastically improve the quality of your life. Amy Morin's book will help you break the cycle of non-achievement and help you start living the life you've dreamed of. There are 13 critical ways to improve your mental strength, conquer your fears, and be the powerhouse you know you can be. -Business Insider Morin, a clinical social worker, lays out the 13 everyday habits that could be holding you back from achieving your best self. For example, dwelling on the past and resenting others for their success is not making your life any better. (Again, shocking!) Morin wants to help you change these negative behaviors into positive ones...so maybe you should let her. -Cosmopolitan Want to learn how to strengthen yourself mentally to endure life's most unpredictable curveballs? Morin will take you step-by-step through how to face your challenges head on with tips, exercises and troubleshooting advice. -People, Named one of the top 20 books written by women Master Your Mental Strength Revolutionary new strategies that work for everyone from homemakers to soldiers and teachers to CEOs Don’t waste time feeling sorry for yourself - Don’t give away your power - Don’t shy away from change - Don’t focus on things you can’t control - Don’t worry about pleasing everyone - Don’t fear taking calculated risks - Don’t dwell on the past - Don’t make the same mistakes over and over - Don’t resent other people’s success - Don’t give up after the first failure - Don’t fear alone time - Don’t feel the world owes you anything - Don’t expect immediate results Amy Morin  is a psychotherapist, mental strength trainer and an international bestselling author. Her books in the 13 Things Mentally Strong People Don't Do series have sold more than 1 million copies and been translated into more than 40 languages. She's the award-winning host of the Mentally Stronger podcast and she gave one of the most popular TEDx talks of all time. The Guardian dubbed her the "self-help guru of the moment" and Forbes refers to her as "a thought leadership star. She lives on a sailboat in the Florida Keys. You can visit her online at amymorinlcsw.com.