Author's Note

Before reading this, you should know that only the first two letters written by Twilight were actually sent to Celestia, hence her worry.

It seems a couple of the readers already guessed that, but I want to make sure everyone understands exactly what’s happening with all of this.

Letter 7 - Day 31

Dear my friend and former student, Twilight Sparkle,

I have not gotten anything from you for nearly a month now, and I apologize for having been so busy as of late as to not attend to you and your worries. I have usually been more attentive, and, even if you are a Princess and not my pupil any more, I still very much care for you.

Because of that, I am rather worried about you and am sending this letter to check on you; while I would normally go see you myself, I am still deep in some international political negotiations that cannot be delayed. However, as soon as they are done, I shall go and visit you.
I am not quite sure how longer these negotiations are to last, though they should not be for more than a few days.

Please, reply to this letter as soon as you are able, and tell me of your current condition as well as what happened to your breast enlargement experiment.
I believe my worry is starting to show through my actions, and is beginning to affect my decisions in this tense situation.

Your friend,
Celestia

Dear ~~Princess~~ Celestia,

I’m sorry for worrying you, Spike and I have just been working really hard to figure out a solution to this mess, and we’ve finally got it.

I’m now at a very comfortable size and am so incredibly happy with the changes!
I’m also happy to tell you that my relationship with Spike has grown quite a lot since I first started on this. Our roadblocks on that adventure are over and now we love each other very much, ~~even–no,~~ especially ~~when he spanks me for doing something wrong.~~

I feel that I have grown quite a lot from this experience as a person, as a friend, ~~as a milk factory,~~ and certainly as a Princess; so much so, that I’m not sure how much more room I have!
I think we might want to figure out a way to make the Palace of Friendship bigger to contain all of my new ~~milk~~ energy.

All of my friends here in Ponyville are thrilled with my changes as well, and their friendship and love is making me like I’m going to burst!
~~Thankfully they’re also drinking a lot of my milk, so that will take a lot longer to happen, if it ever were to. Hopefully not, though, as I wish to forever provide as much as I can for them!~~

Because of all of that, I would really like it if you could come over and join us!
My friends have all grown quite a bit from helping me with this endeavor, and ~~my master~~ Spike and I look forward to you doing so too!

I know you’re always so ~~sexy~~ busy, after all, and are always so stressed with your massive ~~tits~~ responsibilities, so I think you’d like some relief when you can stay with us ~~forever~~.

Your Faithful ~~Milk Factory~~ ~~Student~~ Friend,
~~Cum-slut~~ Twilight Sparkle