It was apparently an idea, rather than a passion, that inspired Lord Uplandtowers' resolve to win her. Nobody ever knew when he formed it, or whence he got his assurance of success in the face of her manifest dislike of him. Possibly not until after that first important act of her life which I shall presently mention. His matured and cynical doggedness at the age of nineteen, when impulse mostly rules calculation, was remarkable.