In Larry McMurtry's novel "Lonesome Dove," a character reflects on a profound sentiment regarding life choices and regrets. The quote, "I think we spent our best years fighting on the wrong side," encapsulates a sense of disillusionment with past struggles and the realization that efforts may have been misdirected. This moment of introspection emphasizes the theme of seeking purpose and grappling with the consequences of one's actions.

The novel explores the complexities of human experience through the lens of friendship, love, and the harsh realities of life on the frontier. The characters navigate their journeys, often confronting the emptiness that can accompany a life spent in fruitless conflict. Ultimately, the quote serves as a reminder that self-awareness and reflection are essential in understanding our past and informing our future choices.