Describes how mentally strong people focus on the positive to overcome life's challenges and offers practical strategies to combat the thirteen negative, but common, habits that can derail happiness and hold people back from success.

Introduction -- What is mental strength? -- Chapter 1 They don't waste time feeling sorry for themselves -- Chapter 2 They don't give away their power -- Chapter 3 They don't shy away form change -- Chapter 4 They don't focus on things they can't control -- Chapter 5 They don't worry about pleasing everyone -- Chapter 6 They don't fear taking calculated risks -- Chapter 7 They don't dwell on the past -- Chapter 8 They don't make the same mistakes over and over -- Chapter 9 They don't resent other people's success -- Chapter 10 They don't give up after the first failure -- Chapter 11 They don't fear alone time -- Chapter 12 They don't feel the world owes them anything -- Chapter 13 They don't expect immediate results -- Conclussion Maintaining mental strength -- References -- Acknowledgments.