The decisions you make in the moment and habits you establish overtime determine your level of resilience in any situation. Even though mental strength is innate, it is not something we are born with, but it is something we develop overtime. Just like physical endurance, it comes through experience with how we handle the circumstances life throws our way. You can increase your mental toughness by indulging in habits that stretch your mental endurance. The only way to know how strong you are is to keep testing your limits by stepping out of your comfort zones.
This episode is also available as a blog post: https://sscascades.org/2020/11/24/how-to-improve-your-mental-toughness/