13 Things Mentally Strong People Don't Do: Take Back Your Power, Embrace Change, Face Your Fears, and Train Your Brain for Happiness and Success / Amy Morin,

"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.

1. Don’t waste time feeling sorry for yourself
2. Don’t give away your power
3. Don’t shy away from change
4. Don’t focus on things you can’t control
5. Don’t worry about pleasing everyone
6. Don’t fear taking calculated risks
7. Don’t dwell on the past
8. Don’t make the same mistakes over and over
9. Don’t resent other people’s success
10. Don’t give up after the first failure
11. Don’t fear alone time
12. Don’t feel the world owes you anything
13. Don’t expect immediate results