The quote reflects a character's introspection and realization about his relationship with Laura. He begins to question if he has been using her as a protective barrier to avoid confronting his own issues. This self-doubt emerges after several years, suggesting a deepening complexity in his feelings and understanding of himself.

Through this journey of self-discovery, the character grapples with the idea of personal identity and purpose. The notion that he might be hiding behind someone else emphasizes the struggle of authentically facing one's own desires and fears, revealing the intricate dynamics that shape personal relationships.