In "Cat's Eye," Margaret Atwood explores the complexity of identity and self-perception through the protagonist's reflections. The character grapples with the notion of having a genuine life that feels foreign to her, as though she is unworthy or merely pretending. This internal conflict reveals a deep sense of alienation from the experiences that define adulthood.

The protagonist also expresses a belief that her peers have fully embraced adulthood, leaving her feeling out of place and reluctant to acknowledge her own maturity. This sense of disguise highlights the theme of vulnerability in navigating one's identity, emphasizing the pressure to conform to societal expectations while struggling with personal doubts.