Influenced by Madeline's insinuations about Norah's supposed new affluent connection, Derek had reconsidered his generosity. The notion that Norah could have been involved with someone else long before and that he was oblivious infuriated him. Why should he hand over anything to her then?
"Norah, you're really testing my patience."
"Mr. Carter, am I the one testing your patience? You're the one seeking a divorce so that you could be with your lover, yet you're reluctant to give me what we had agreed previously. Derek, it turns out I never really knew you." Norah crossed her arms, her jaw tilted slightly.