She went on to say something else, but Jamie found his attention drifting. He was feeling sleepy, for it was warm, and he could lie there for ever, he thought, listening to the sound of Isabel's voice, in the way one listens to the conversations of birds, or the sound of a waterfall descending the side of a Scottish mountain; sounds for which we cannot come up with a meaning, but which we love dearly with all our heart, and loving anything with all your heart always brings understanding, in time.