My sweetheart,
I talked with Mycroft about your suggestion for Eurus's gift. He seems to think it is a good choice, as do I. She will like it, I think. I believe that I do understand your reasoning for wanting to be in her life. You have quickly accepted her as a sister and you care for her. Your heart is beautiful, Molly. You hold so much love and compassion, never running out of room for anyone you choose to give it to. Eurus needs somebody like you in her life. I admire you greatly for your ability to give out love to whoever needs it, whereas I still struggle a bit with giving it to anyone besides you.
I do agree with you in that we are meant to be together. It is not something that the old me would ever entertain, but I have a new view of the world and sometimes, there will be things that cannot be explained. I would normally be irritated by that fact, but it seems I am more of a romantic than I once believed. I get that from my father. I love how much you fit in with my family. It is as if you have always belonged here with me. I love you, my Molly. I always will. I cannot get enough of kissing you or the way you look at me. You make my heart whole and happy.
As appealing as eloping sounds to me, I still insist that we do this the traditional way. You deserve to have everything your heart desires. Normally, I am not a wedding person, but as it is I who is lucky enough to be marrying you, I cannot be more enthusiastic about it. I am afraid that media outlets have already spotted your ring, so do not be alarmed if the attention is turned back to us once more. I will protect you from it as best I can. You need not worry about your well-being; leave it to me. If they start giving you a hard time, I will take care of it, you can be sure of that. You mean everything to me and I will do everything in my power (and my brother's) to make sure your comfort and safety is not compromised.
After our visit to Eurus, there is a case I'm on that will take me away from London for a week. I promise to call you when I can during that time. It will depend on how much investigating needs to be done. I know that you worry the most whilst I'm away, but I will always come home to you. Nobody could ever keep me from you.
I am actually quite exhausted tonight. I can see that you are too, already fast asleep in bed. I will join you and enjoy every moment of holding you. I'll try my best not to wake you. I do have a hard time keeping my lips to myself.
With all my love,
Your William xxx