Mentally strong people don't:
1. waste time feeling sorry for themselves
2. give away their power
3. shy away from change
4. focus on things they can't control
5. worry about pleasing everyone
6. fear taking calculating risks
7. dwell on the past
8. make the same mistakes over and over
9. resent other people's success
10. give up after the first failure
11. fear alone time
12. feel the world owe them something
13. expect immediate results
Source:
Amy Morin. Thirteen Things Mentally Strong People Don't Do (New York, NY: HarperCollins, 2015). ISBN 978-0-06-235829-5
