unmurderable (unmurderable)

But walking along Fifth Avenue in Brooklyn, in his black overcoat and his gray interview suit, Quentin knew he wasn't happy. Why not? He had painstakingly assembled all the ingredients of happiness. He had performed all the necessary rituals, spoken the words, lit the candles, made the sacrifices. But happiness, like a disobedient spirit, refused to come. He couldn't think what else to do.