What do you think Judge Lehman hopes to accomplish by making Nick keep a journal detailing his relationship with Caitlin?

Judge Lehman likely hopes that by having Nick keep a journal about his relationship with Caitlin, he will encourage him to reflect on his feelings, behaviors, and the dynamics of their relationship. This exercise may help Nick gain insight into his emotions and decisions, fostering personal growth and accountability. Additionally, the journal could serve as a tool for evaluating the relationship's health and ensuring it aligns with the judge's expectations for Nick's well-being.