 And increasing not only your physical toughness through exercise and things like that, but your mental toughness. Challenging yourself to do something each day that makes you mentally a little harder. Another real quick example. You're going to go to the grocery store. Don't park up front. Park towards the back and walk to the store. That is one more little thing that you did that day to push your comfort zone. And those little things, they add up really quick.