If you remember what took place at Flint House on that occasion you will recall that it was a question from me which brought the truth to light.

Your brother's answer awakened my suspicions, and made me determined to find out what he actually knew.

He brought out the truth then, as I've no doubt now he intended to do in any case.
"The puzzle to me was the exact extent of his knowledge.

He knew two things for certain.

One was that I had married Alice before leaving England, and the other was that I was still alive.