Sometimes,' he whispered at last, 'sometimes, I dream I am singing, and I wake from it with my throat aching.' He couldn't see her face, or the tears that prickled at the corners of her eyes. 'What do you sing?' she whispered back. She heard the shush of the linen pillow as he shook his head. 'No song I've ever heard, or know,' he said softly. 'But I know I'm singing it for you.