Ayesha by H. Rider Haggard

When I had satisfied myself, Leo was still at his meal, for loss of blood or the effects of the tremendous nerve tonic which Ayesha ordered to be administered to him, had made him ravenous.

I watched his face and became aware of a curious change in it, no immediate change indeed, but one, I think, that had come upon him gradually, although I only fully appreciated it now, after our short separation. In addition to the thinness of which I have spoken, his handsome countenance had grown more ethereal; his eyes were full of the shadows of things that were to come.