21 signs you're mentally stronger than average

Mental strength takes a long time to develop.  It is the daily practice of pushing yourself to grow stronger, maintaining realistic optimism, and setting healthy boundaries. Mentally strong people don't do things like waste time feeling sorry for themselves or give away their power to other people. How do you know where you fall on the spectrum? We asked psychotherapist Amy Morin, the author of "13 Things Mentally Strong People Don't Do." Morin shared the following 21 signs you're mentally stro...