Do you what is good wing chun Jeet kun do, hapkido or boxing catch wrestling or Gracie Jiu Jitsu?

What you are experiencing is called "fight or flight" response, and it is an evolutionary trait in response to stress. One's natural inclination is to either fight when faced with an immediate threat, or to flee. One can learn to "fight", however, and it is good that you are asking this in the martial arts section for just that reason.

The only way to ease it is with either actual training in boxing or a martial art of your choice, or read up on "fight or flight" and find other methods with which to deal with stress and stressors.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.