In "The Last Immortal," we witness a heartwarming story where the emotional development between Gu Jin and A Yin becomes a major highlight of the film. It is not just a love story, but a vivid portrayal of the profound power of true love. Gu Jin's cunning and proactiveness not only create warmth and security for A Yin but also gradually elevate their relationship.

During the final wedding scene, the audience witnesses a moment of true love through sincere vows and passionate kisses between the two protagonists. Firstly, Gu Jin's cunning plays a significant role in the film. Unlike the traditional male protagonist, he exhibits a unique intellect and wit. His cunning is not driven by malice but rather to protect A Yin and keep her away from danger.

Gu Jin's cunning brings a fresh perspective to the viewing experience, adding complexity and suspense to the storyline. Secondly, Gu Jin's proactive actions bring dramatic changes to the entire story. He is not content with waiting for fate's arrangements but actively pursues the happiness he desires. This proactiveness is not only evident in their emotions but also in the development of the storyline.

This proactive attitude presents a positive energy that resonates with the audience, making them admire the courage and determination of the protagonists. In terms of emotional development, the relationship between Gu Jin and A Yin transitions naturally from being strangers to growing deeply connected. A Yin's kindness and resilience add depth to the film, and her growth in love and life creates a sense of resonance with the audience.

Gu Jin and A Yin's story also provokes deep contemplation about love. In today's society, people's understanding of love is often influenced by various social factors. However, the film portrays genuine and pure love, prompting people to reexamine their own attitudes towards relationships. Perhaps true love does not require elaborate external conditions but rather sincere emotions from within and a commitment to each other.

Lastly, the emotional development in the film offers insights into real-life relationships and marriages. The reason Gu Jin and A Yin's love culminates in marriage is not only their true love but also their understanding and tolerance towards each other. This process is perhaps the journey that every real-life relationship needs to undergo—building a strong foundation of love through acceptance and understanding.

Overall, "The Last Immortal" portrays a sincere and beautiful perspective on love through the emotional development of Gu Jin and A Yin. Gu Jin's cunning and proactiveness infuse the story with drama and suspense, providing a refreshing cinematic experience for the audience. The wedding scene in the film pushes the story to its climax, evoking both a romantic atmosphere and a sense of anticipation for true love.

Through this film, we may find some inspirations about love in real life. True love is not a fleeting passion or the accumulation of external conditions but rather a gradual sublimation through mutual understanding, acceptance, and shared efforts. Gu Jin and A Yin's story teaches us that only with genuine feelings and unwavering efforts can we enter the realm of marriage and embark on another exciting journey in life.

During the viewing process, we may find reflections of ourselves and resonate with Gu Jin and A Yin's story. Love is an indispensable part of life, and true love is pure and beautiful. The film, through deeply touching dramas, allows the audience to gain unique insights into love through emotional collisions.

In this ever-changing society, perhaps we need to maintain a cunning heart like Gu Jin, unaffected by external disturbances, and bravely pursue the happiness we desire. At the same time, we also need to cultivate qualities of kindness and resilience like A Yin, constantly growing in love and life. Only through mutual understanding and support can we reach our own happy ending.

Overall, "The Last Immortal" presents a sincere and beautiful love story through the emotional development of Gu Jin and A Yin. Gu Jin's cunning and proactiveness, along with A Yin's kindness and resilience, create a vivid portrayal of their intertwined and collided emotions. In this world full of miracles and possibilities, love truly has the power to surpass everything and become the most beautiful essence of life.