Hi everyone! Thanks for the adds and reviews - always appreciated :) I'd like to dedicate this chapter to one of my readers, ExMaloBonum/SuicideGirl/SuicideBrunette or whatever more names you have. Because you told me it's your birthday December 15th and well, due to timezones and all that, I decided just to post this chapter now ^_^ I hope you'll have an amazing day celebrated with awesome people! ~
As for the rest, do you have any ideas for what to happen when they're home for Christmas? Or do you want me to skip that? Please tell me! :) Also, enjoy!

Later that evening I felt my pocket, just to see if the letter was still there. It wasn't. I couldn't help but smile a bit – the spell had worked. And I had plucked up the courage to perform it. I was actually a bit proud of myself, but I couldn't tell Harry or Ron about it. Luckily, none of them asked more questions about the letters I recieved. Perhaps they really believed it was just my parents.

The following day I took a deep breath and performed the same spell again. A letter appeared in my hands. I stood for a moment, realizing what this meant, before I began reading it.
My heart sank as I read that he had to go home for Christmas. I truly understood – I, too, was probably heading home. But suddenly a feeling so powerful overwhelmed me – a feeling of longing. I already missed him, even though we had a few weeks left before the holidays began.
I had no intensions on meeting him before Christmas – it was probably too risky, and maybe it was for the better just to wait. After all, the time I would spend waiting during the holidays would just be even worse if I knew who he was. I would miss him even more for sure.
Therefore I decided that it had to be done this way. I just had to enjoy the last couple of weeks before I was going home. For a brief moment I wondered where Ron and Harry would be spending Christmas this year. Probably at the Burrow. But I didn't even consider joining them – they wouldn't mind anyway. Perhaps they wouldn't even notice. As Ron had said this summer, "I forgot about you."
It hurt. I wouldn't admit it towards myself, but it was a fact that I couldn't ignore. The fragile line we were walking right now – me, Ron and Harry – wasn't comfortable at all. I had a strange feeling, that perhaps I'd never be going to the Burrow anymore. What if they just forgot about me? Completely, for good?
I tried to comfort myself by thinking that I perhaps, by that time, could join the yet unidentified D.M. It helped a bit, but my friendship with him still wasn't the same as the one I had with Ron and Harry. But of course that could change. D.M was already really important to me – it wouldn't surprise me if he just became even more important. It was like he was my energy. What kept me going.
With a deep sigh I took my quill and began writing on a new piece of parchment.

Dear D.M.
It's really sad news. Of course I understand that you have to go home during Christmas – so do I, by the way – but I don't like the thought of not being able to contact you. At all.
You have been the best part of my life recently. But it's just a few weeks we'll be seperated, right? I guess I can survive that.
The spell is working fine. I'm sure you'll agree. I think I'm getting better at using it – after all, it's not dangerous. And as it is right now, I think I'd be able to do anything just to read your letters. It's strange how I can become so happy and comforted, just to look at your handwriting. Reading your words is even better.
As you probably can hear, things haven't gotten any better. You're all that keeps me going. I think my friendship with the two friends I told you about is coming to an end. It's hard facing the truth, we've been friends since our first year here at Hogwarts. But if they can forget me like this, are they even worth keeping as friends?
I don't know what to do about it. I guess I'll just … wait, and see if it sorts out all by itself. Even though I highly doubt it. But you can always hope, right?
Hoping to hear from you soon,
H.G.

As I had done with the previous letter, I kept trying to summon the next. I was eager to read her response – it couldn't be as bad as the one when she found out I didn't show up at our meeting. I mean, this was just about Christmas. It was only temporarely – no one was to blame.
When I finally succeeded to summon her letter I quickly read it and began answering.

Dear H.G.
It hurts me to hear the news about your friends. I don't know if news was an appropriate word, but it still hurts me. Let me know if I can do anything.
As for Christmas, I am also very regretful. For the first time ever I'd wish I could stay here at Hogwarts. But only because of you. I feel just as you do. You're also my reason to keep on doing this. Walking among all these people, who don't even know who I really am. It is a major relief that someone knows. That someone being you.
To lighten up these depressing things – the failure of the meeting, separation at Christmas, problems with other students – I just wanna tell you that I'm gonna bring something for you when I get back to Hogwarts after Christmas. But that's all I'll say.
Just try to stay positive. Not that I think I can do that myself, but what other choice do we have?
Already missing you,
D.M.

Silently I whispered "Revelio Secreto" with my wand touching the parchment. Then I put my wand back in my robes, put the parchment in my pocket and began waiting again.