The world breaks everyone and afterward many are strong at the broken places. But those that will not break it kills. It kills the very good and the very gentle and the very brave impartially. If you are none of these you can be sure it will kill you too but there will be no special hurry.
Forget your personal tragedy. We are all bitched from the start and you especially have to be hurt like hell before you can write seriously.
No catalogue of horrors ever kept men from war. Before the war you always think that it's not you that dies. But you will die, brother, if you go to it long enough.