In Sylvia Plath's poem "Years," she expresses a profound sense of discontent with the concept of eternity. The speaker indicates that the idea of endless time is uninspiring and tedious, suggesting a desire for meaning in a limited lifespan rather than an endless existence. This sentiment reveals an existential struggle, highlighting the human inclination to seek significance in ephemeral moments rather than in an everlasting void.

Plath's work often delves into themes of identity and despair, and this poem encapsulates her feelings about life and time. By stating, "Eternity bores me, I never wanted it," she confronts the notion that eternal life might imply fulfillment. Instead, her longing for a more vibrant, meaningful experience within the confines of mortality resonates deeply, portraying a poignant reflection on the nature of existence.