What words or actions of Nick and Marjorie indicate that the relationship between them is strained?

Nick and Marjorie's relationship is strained as evidenced by their sharp exchanges and lack of effective communication. Nick often exhibits frustration and defensiveness, while Marjorie's responses are filled with sarcasm and emotional distance. Their interactions are marked by a palpable tension, suggesting unresolved conflicts and a growing disconnect. This dynamic reflects deeper issues that hinder their ability to connect meaningfully.