In the interaction between Theresa and Peter from "Shadow of the Giant" by Orson Scott Card, a conversation reveals underlying tensions in their relationship. Theresa points out a flaw in Peter, suggesting he has issues that need addressing, which hints at deeper conflicts between them.

Peter, on the other hand, seems dismissive of Theresa's criticism and responds with a sarcastic tone, questioning whether he has only one problem. This exchange illustrates their complex dynamic and Peter's struggle to acknowledge his shortcomings, setting the stage for further character development and conflict in the story.