When you run six miles, you feel both pain and glory. This is what happens:Mile 1 - You’re just getting started. You’re excited and think you have momentum.Mile 2 - You then realize you haven’t run as far as you thought and start feeling horrible. Then you feel the pain in your body starting to build up.Mile 3 - You question why you decided to do this. You think of ways to justify stopping now. You are so close to quitting.Mile 4 - Things slowly start improving as you get used to the run. You...