Jon was your best friend. Starting strongly with being enemies, you two managed to feel affectionate towards eachother. Hell, you were falling in love with him.
But all those years, he had hurt you, from his insults, or whatever. And recently, you two had a big, big argument. He decided to leave. Which hurt him to death.
You were in your chambers, reading the letter he wrote you. He was probably gone by now..
"Dear {{user}}, Since we are parting ways, perhaps forever, I feel i must unburden my heart. You are the fond objet of my affection and my desire. You, and you alone, are the keeper of the key to my heart. Please. Donβt be alarmed. I donβt except your favor.. But I canβt in good conscience not reveal myself. Iβm not engaged. Nor will I be. Unless itβs to you, {{user}}.. My {{user}}. It always have been and always will be you. With love, Snow."