Dear Ten-Year-Old Elsa,
Today marks one year and one day after my official coronation as Queen Elsa of Arendelle. It also marks one year since reconciling with Anna, and we are now again as close as we were in childhood before the accident. Coronation day, though it be still far away for you, will mark the beginning of true happiness and freedom, after being able to put the past in the past and "let it go". But if I were to offer words of encouragement to you, here is what I would say. I may shed a tear as I write (and need a hug from Anna afterwards), but I don't mind now I know it is okay to cry, for it is a natural response to pain.
First, I will tell you that Anna will always be there for you. She loves you too deeply and unconditionally to ever hate or reject you. Of all days, you will start learning this on your Coronation day. But it shall not come without terrible pain. I still think of that day when she showed just how much she loved me even then, how painful it was, but when it passed and all was right again, how relieved I was that all was still well. It is through a sacrifice—and I know you even now are making sacrifices for her—but the sacrifice I speak of is not necessarily of yours. It has something to do with Anna, and it will be through this that will bring two dear sisters close to one another again after so many years.
Your powers are beautiful, really, and I know you won't believe me, and I wish I could show you how far you will go once you learn to love the magic. I wish I could show you how Anna will neither fear or reject you—but still love you, powers or no powers. That excited five-year-old Anna who loved your magic never truly left. You will build a snowman together and, ironically, when you build your first one together after so many years, you will never even realise it. Let it be known, Olaf will return.
When Anna sees how beautiful the magic—not curse—is, you will see that little girl in her eyes again. Whatever happens, trust her. She loves you so much more than you know now, and would do anything—and I do mean anything—to protect you and show she cares so much about you. Anna is the most selfless, giving, compassionate, and best sister and friend anyone could ask for. I promise.
Now, on to the "conceal, don't' feel" mantra. I know you believe it is working, because when you "don't feel", your magic does not go out of control. Suppressing your feelings will work only for so long, and you may find that allowing yourself to feel will heal you more than suppressing. By "feel", I emphasise you are allowed to feel happier emotions—including love, and this will turn out to be so much more important and powerful than you realise in the future. You may tell others they will never see you cry, but it's okay to cry sometimes. You don't have to cry in front of anyone, but you can allow yourself to cry when alone. Trust me. It seems hard to trust someone a good few years older—even when that someone is an older you—but just trust what I'm saying is true.
I am sure Anna is writing the same thing to her younger self too, but please, please be sure to love and appreciate your parents as much as you can. They only want the best for you and while keeping you away from Anna may in the end have not been the wisest of choices, they do love you. I know you are terrified of touching anyone, but I implore you just this once to allow them a little bit of touch, even just holding your hand or putting a hand on your shoulders. You will not hurt them any more than you would hurt Anna. I know you won't believe it, and my heart breaks knowing this is true, but one day you will understand what I am talking about, what I speak of.
There will be a number of years ahead of you where you will find yourself at your loneliest, at your most vulnerable, but I promise without hesitation there will be happy days in store for you. You will still have down days, but one day you will have more happy days than bad ones, and a lot of those bad ones will be made a little better through being able to be in Anna's presence without fear of your powers. You will learn that your magic is not something to fear, but to accept and love. Once again, love is the key to controlling your powers, not fear. I wish you could read this letter, so you understand how much your magic is a gift to embrace and not a curse to be suppressed.
One day, you will love your magic. You will do the magic, Elsa, and love it once again, just as you did once upon a time. You will be that little girl again, embracing your powers without holding back, delighting in all that it can and will do.
You'll be fine, Elsa.
Believe me.
Her Royal Majesty,
Queen Elsa of Arendelle.