How does Buck feel about John Thornton?

Buck develops a deep bond and loyalty towards John Thornton because Thornton represents a significant turning point in Buck's life. Unlike previous owners who treated him as a mere tool for their gain, Thornton shows compassion, kindness, and respect. This nurturing relationship allows Buck to experience a sense of belonging and security that he had been missing. Thornton’s gentle nature and protective instincts towards Buck foster a profound emotional connection, deepening their bond. Buck's loyalty to Thornton is evident as he goes to extraordinary lengths to support and protect him, showcasing the fulfillment of Buck's longing for love and companionship. This relationship highlights the theme of loyalty and the capacity for emotional attachment, which is central to Buck's transformation away from the harshness he faced earlier in his journey.