Through the myth of Amor and Psyche, Johnson illustrates the stages of psychological development that women undergo. This journey is marked by trials and tribulations, but ultimately leads to a deeper understanding of oneself and one's place in the world.

The book explores the transformative power of love and relationships. Johnson uses the relationship between Amor and Psyche to highlight how love can be a catalyst for personal growth and self-realization. The dynamics of their relationship serve as a metaphor for the challenges and rewards of intimate connections.

A central theme in "She" is the integration of feminine and masculine aspects within oneself. Johnson discusses how achieving a balance between these energies is crucial for psychological wholeness. This theme is particularly relevant in the context of Jungian psychology, which emphasizes the importance of integrating different parts of the psyche to achieve individuation.