She believed she was going to be married by the autumn.

She believed that because he had told her so, in writing, repeatedly, and because he had shown her a separation agreement in November that did not exist and had never been filed anywhere.

He had told her that I knew.

That is the sentence that undid her defense and it is also, I think, genuinely what she had been told.

She believed, for the better part of a year, that Christopher’s wife knew about her, had known for months, was being difficult about the timing, and was “in a bad way.”