" On the battle fields with full of blood and gun powder smoke, all I can think of is you.

We have been separated when the WWII began few months ago and I haven't seen you since then.
We could only contact through the communication line but It was broken because of the destructive war in the Eastern front.

I can no longer talk to you.
I can no longer hear the sound of your voice.
I, cannot feel you, Ludwig.

The sense of you has disapeared every single day and I cannot do anything about it.

I cannot handle this.
It made me feel down when thinking about it.

But I know, and I believe that I'm fighting to protect you.
I'm fighting to ease the negative thinkings which cause the pain in your heart.

I miss you, I want to talk to you, so bad.
But my mission has not completed, I cannot abandon it.
I cannot leave the people in this battle fields just because of my own sakes.
And I will not forgive myself for giving up on the only hope that will make you happy, when we finally win the war.

So I will be here, protect you from the front line.

Please, wait for me.
I promise I will be back.
I promise, I will come back to you and we will be together again.

You and I, we will live side by side, from now to eternity. "

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Credit: in the comment (later)