Ditzy Doo,
When you find this letter, you will have been standing on the clouds in Cloudsdale awaiting my return from a mission that I told you no information about and told you you couldn't come with me. Before you continue reading this letter, start flying away from the city as fast as possible: it is very important for you to do this.
If you are reading this letter, I have failed in that mission. Because of this, I am unable to come back to talk to you, for fear I will make an even greater mistake and ruin your planets possibility of a return to its normal way of life. From this point forward, you are a crucial part of the timeline, and as I have mentioned about Twilight Sparkle and some others, I cannot travel with peop- ponies who are critical to the timeline. While I cannot tell you about future events in your timeline, I can talk about what has happened in our past, and just how vital you are to me.
When I came to this dimension, you were the first pony to see me and were the first one to really accept me for my differences. I asked you if you wanted to travel with me, or you asked me if you could travel with me, to be honest, I don't really remember, but either way, you traveled with me for almost a week before I took you back home. As you were leaving my TARDIS, you did something absolutely no other companion I had traveled with had done. You asked me "Same thing next week?" It is impossible for me to impress exactly how much this simple question impacted me that day.
Over the years of the traveling you did with me, you asked me multiple times why I chose to travel with you, regardless of how many times we have had bad receptions in the places we have gone. I am sorry for not truly answering your question any of those times you asked it, simply brushing the question off by answering with, "You see the world differently than me." To finally answer that question: You reminded me of myself during my original life. I was always curious on what everything was, but was somehow able to figure out how something worked, or the theory behind the machine. Before you came into my life, I was getting ready to stop, I was going to give up. I had lost more friends than I care to try to count, and I felt that I could not continue because of the pain. Despite how everyone treats you, how many bad things have happened during your life, you face it with a joy that I found impossible not to share. For that gift you gave me, there is nothing in the world I could give you in exchange.
As much as it pains me, I do not believe I will be able to see you again, as even if I survived my failure of this mission, if I were to see you, I do not believe that I could resist attempting to protect you from your destiny, and, with doing so, ending the final hope that could save Equestria in the future. My biggest regret is that I was afraid of my own reaction to informing you of this, and did not actually tell you in person.
Regretfully Yours,
The Doctor.
Ditzy Doo lies on a bed, IVs hooked into her frail rotting body, as the doctors attempt to ease her pain as she passes; the oldest living ghoul-pony that never turned feral. It is late at night, and all the nurses and doctors have gone home, except for those required on staff. All is quiet, except for a faint VWORP sound in the distance that no-pony else noticed. As soon as the ghoul-pony hears the noise she never thought she would hear again, she opens her decrepit eyes to see a brown-haired Pegasus with a hourglass as a cutie mark.
He goes to start speaking, but she interrupts him with a grunt, pointing weakly at her chalk board by her bed.
He grabs the board and a chalk and places the board on the bed, and gives her the chalk. She writes on the board, with great difficulty, "Can't Hear, or Speak. Only Write. Have letter."
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Doctor,
Over my long life, I have read your letter so many times I have committed it to memory, even with my mind in it current state. I don't blame you. I am not offended. Do not apologize for what you felt you needed to do. I enjoyed the traveling that you let me participate in. When I first joined you on our first journey, you let me know that at some point in time, I would be unable to travel with you. I understood that from the beginning.
What I don't understand is why you waited so long to visit me after The Last Day. You told me that I was important to the time line, I would have simply told you I could not go with you if you had asked. I realized that you didn't consider that fact when you left and did not come back. I forgive you for that.
I have lived a long and potent life. I build up the company of my dreams, twice, despite my own limitations. I have loved and lived. I have helped those whom would change the world for the better, and have no regrets about the life I have lived. I once asked you what you were the doctor of. I now know. You are a doctor of hope.
Just one thing more. Do not stop because of the grief of my passing. If there is one thing that you have taught me, their is wonder out there in the universe. Go out there and find that wonder, if not for yourself, than for me. There are others that need your help, doctor.
Thank You,
Ditzy Doo.
