"Cathedral" features a married couple and recent widower who come together for an evening. The unnamed narrator and his wife are having big problems, and the outcome of the evening just might determine whether they have a future together or not. The theme of "Marriage" in this story is closely tied to "Language and Communication," so be sure to check out that theme as well.
Robert's interaction with the narrator will have a positive impact on the narrator's marriage.
"Cathedral" realistically depicts the problems many married couples face.