"Simon," Justin murmured, kissing his neck. "You are so very sweet, my boy. And I do belong to you, now." It was strangely exhilarating, monogamy. "Even if nobody knows it. But I like it even better, now. You are my secret, and noone else's. Nobody will do the things for you I will, and nobody will do for me what you will. And we shall be..." He laughed, lost for words, burying his face in Simon's neck, breathing deeply.