Dear Colonel Mustang,
I wish you are doing well even if I am not there to help you anymore. You may think my departure was sudden, but if you would have been a little more alert on what was going on around you, you would have figure out that I was going to leave. Working with you was always something I loved, however recently I came to detest every single day that I had to come to work. I know you are affected by what happened, but so was everyone else. You keep thinking this is your entire fault but it isn't. You need to stop think you're always the one causing harm to everyone. Sometimes you just need to take a step back and look at it from a different point of vu.
Just so you know everyone is fed up with you lately at the office. You're probably telling yourself: They know nothing. But you should know that everyone has problems and everyone does mistakes, that don't mean they'll become depress. When you found yourself a girlfriend, I will admit that I was sad it wasn't me. However when I saw who she was I was relieved, she looked so nice. I was certain that it would last, but it seems I was wrong. You left her. She cried. You didn't give a damn. To you she meant nothing, she was one among others. You are one heartless bastard, you know? Yes, I finally said it. I saw you cried so I shouldn't say that, but I'm saying what everyone is thinking and is too sacred to say out loud. You cried a lot in the past, but now you seem to forbid yourself to do so. Crying isn't going to make you weaker. It will only shoe to the world that you are human and that you do have a heart.
When you will read this I will already be far away, don't try to find me, even though I doubt you would. If you absolutely need to talk to me ask Winry she'll know where I am.
When my father died he gave me a gift, his alchemy. I am the one that decides who uses it and who doesn't. Unfortunately, seeing as you already know it by heart I cannot forbid you to use it. Although I will tell you this: if you ever try to use it for bad I will find a way to make you pay. I swore on my father's tomb that I would always help you and protect his alchemy secrets; I swore on Maes's grave that I would help you reach the top. I am truly sorry to say that I will do nothing of that. I will keep my father's alchemy secret safe that is for sure. But for the rest, I will never do.
You've change, not because things happened because you decided to change. I am not ashamed to say that once upon a time I did love you. But now I don't anymore. You did some things that I can never forgive you for. I was always there for you but you were never for me. At first it didn't bother me but now I had enough and I can't take it anymore. I have feelings; I am not an ice queen. I needed a sign from you, anything, but you never did anything. You didn't care less about me. When we were young I thought you cared, I kept that thought for a very long time. How foolish was I? I have many regrets in life as well; my biggest one is never telling you how I felt. Maybe, and I say maybe, it could have been different. Maybe you wouldn't be reading this right now.
Everything that I had that was yours I gave back (on your desk). Everything that I had that was to the military is also there. I hope you're proud of yourself. I hope you're happy with what you've done. Soon you'll see that everyone will be leaving you. Not because they are dieing but because you drove them away. I hope that if we meet again that things can be different and maybe on day we'll become friends again. I'll even admit that in the bottom if my heart I still wish we would one day become more.
Until we meet again,
Sincerely yours,
Riza Hawkeye.