“ ‘It was only a little thing, too. I had come into the parlour unexpected, and as I walked in at the door I saw a light of welcome on my wife’s face. But as she saw who it was it faded again, and she turned away with a look of disappointment. That was enough for me. There was no one but Alec Fairbairn whose step she could have mistaken for mine. If I could have seen him then I should have killed him, for I have always been like a madman when my temper gets loose. Mary saw the devil’s light in my eyes, and she ran forward with her hands on my sleeve. “Don’t, Jim, don’t!” says she. “Where’s Sarah?” I asked. “In the kitchen,” says she. “Sarah,” says I as I went in, “this man Fairbairn is never to darken my door again.” “Why not?” says she.