In "Eligible," Curtis Sittenfeld explores the complexities of turning forty through Liz, who questions what this milestone truly means. The character reflects on societal expectations and the stigma that can accompany age, especially for women. Liz's inquiry about feeling "fabulous and foxy" at forty encapsulates a desire for empowerment and confidence, challenging conventional views of aging.

The narrative delves into the struggles and triumphs that come with this age, presenting a balanced view of both the joys and the challenges. It emphasizes self-acceptance as Liz navigates her personal and professional life, ultimately suggesting that being forty can indeed be both fabulous and fulfilling, depending on one's perspective.