They're Not Your Husband by Raymond Carver

In this poignant short story, a struggling salesman becomes obsessed with his wife's appearance after overhearing two men at a diner make disparaging remarks about her weight. Driven by a mix of shame and societal pressure, he urges her to lose weight, leading to a strained dynamic between them. The narrative explores themes of insecurity, societal expectations, and the impact of external judgments on personal relationships, all encapsulated in the everyday setting of a diner, highlighting the often overlooked complexities of ordinary life.