for he had no love for his wife.

...

Besides, it would teach Leila a wholesome lesson--teach her that he still counted; serve her right for her disgusting selfishness about Plank.
No, there was to be nothing disreputable in his proceedings; that he would be very careful about.

...

Probably Major Belwether might express his gratitude substantially if he, Mortimer, went to him frankly and volunteered not to mention to Quarrier the scene he had witnessed between Sylvia Landis and Stephen Siward at three o'clock in the morning in the corridor; and if, in playful corroboration, he displayed the cap and rain-coat and the big fan, all crushed, which objects of interest he had discovered later in the bay-window.