You must complete the mission perfectly, or people could get hurt or die. You either pass or you fail. It is either done right, or you are wrong. These are all examples of ‘all or nothing’, or ‘black and white’ thinking patterns which are perpetuated by military service. There is no gray area, there is no room for average. It’s not realistic to live in this realm of perfectionism forever; but the military/ veteran population is trained to be as close to that level as humanly possible. 

“Think back to when you were serving in the military. Do you remember when they booked all of your medical and dental appointments and made you go to them? And, if you missed the appointment, you would get in trouble?