You idiot! You fucking idiot!' She had not sworn out loud since her carefree teenage visits to Newcastle
-- Fiona/Narration (chapter 1 paragraph 2)

Importance: Fiona’s initial response to Jack’s proposed affair is to swear at him. The reflection that she had not sworn such she was a teenager is symbolic of how uptight and detached from her emotions Fiona has become in her adult life.

I need it. I’m fifty-nine. This is my last shot. I’ve yet to hear any evidence for an afterlife.
-- Jack (chapter 1 paragraph 4)

Importance: Jack used these words to justify his desire for an affair to Fiona. He presented his case as if Fiona was denying him an opportunity, rather than suggesting that he was doing something which could damage their marriage. Jack’s mention of the afterlife, and his lack of belief, foreshadows the religious theme of the novel which will emerge in the Adam Henry case.

Your problem,” he...
-- Jack (chapter 1 paragraph Section 3, paragraph 12)