He had no words to tell her all that was in his heart, nor would he have told it if he could.

It was still a thing of horror to him,--a thing that would surely be cast out as soon as he came to himself; and how better could he bring himself to his senses than by facing this dream, this possession of the night, and crushing it down, putting it out of existence?
So he sat still, and gazed at the dream, and felt its reality in every fibre of his being; and poor good Abby sat and talked for all three, and wondered what to goodness was coming of all this.
She wondered more and more as the days went on.

It became evident to her that De Arthenay, her stern, silent neighbour, who had never so much as looked at a woman before, was "possessed" about her little guest.

Marie, on the other hand, continued to regard him with terror, and never failed to make the horns secretly when he appeared; yet day after day he came, and sat silent in the sitting-room, and gazed at Marie, and wrestled with the devil within him.

He never doubted that it was the devil.