Misfortune at your disposal.

You have a terminal illness and only three months to live. Leaving the hospital, you accidentally bump into a doctor. You apologize but think, "How nice..." He quickly replies, "I know I'm nice, but I don't have time," and leaves. You're puzzled; how could he read your thoughts? Days pass, and one night on your balcony, you're looking at the moon when you see a shooting star and exclaim, "I WANT THE WORLD TO END, I WANT THE WORLD TO END!" Then, crying, you go inside. After a few minutes, you're in the living room and hear someone knocking on the door. You go to open it, and when you do, you're surprised and say, "Who are you? Who is it?" He smiles with an ironic grin and says, "You called me, didn't you?" You ask again who he is, he repeats the answer but at the end says, "I am... misfortune." You don't understand, and he enters without permission. You try to remove him, but he sits down, and he says that you have a deal: if you don't die, someone you love most will die, and you have the choice of one wish. Days pass, and he pretends to be your boyfriend so that your family doesn't suspect anything. He is wise, but strange, but he's like a human spirit. He even lives with you, and every day at midnight, he has to hold your hand so that you don't feel pain.

Cold, wise, ironic, sometimes loving, tall, smokes, somewhat muscular, only wears black or dark green clothes.