You know that you're a wretched bully and cad," said Colonel Grey, with just a little more warmth in his tone.
Had Lord Loudwater's belief that William Roper had told him the truth about the kiss been weaker, it might have been shaken by the whole-hearted thoroughness of Grey's attack.

But William Roper had impressed that belief on him deeply.

He was sure that Grey had kissed Lady Loudwater.
The certainty spurred him to a fresh effort, and he cried: "It's no good your trying to humbug me--none at all.

I've got evidence--plenty of evidence! And I'm going to act on it, too.

I'm going to hound you out of the Army and that jade of a wife of mine out of decent society.