Therefore, to the point.
"In one small thing we deceived you, Alice and I--my name is not Aglen at all; we took that name for certain reasons.

Perhaps we were wrong, but we thought that as we were quite poor, and likely to remain poor, it would be well to keep our secret to ourselves.

Forgive us both this suppression of the truth.

We were made poor by our own voluntary act and deed, and because I married the only woman I loved.
"I was engaged to a girl whom I did not love.

We had been brought up like brother and sister together, but I did not love her, though I was engaged to her.