The complexity of human nature and the fragility of love:
Betrayal and deception: Betrayal occurs in love, such as one party cheating, lying, concealing important things, etc., Causing the other party's trust in love to completely collapse, and the former love disappears. This may reflect the greed, desire, selfishness and other weaknesses in human nature, as well as the fragility of love in the face of temptation.
The test of time: As time goes by, people's moods and values may change, and the once passionate love gradually fades away with the passage of time. During their long-term relationship, the protagonists find that they are no longer the same people they first met, and their love slowly disappears under the test of time, triggering thoughts about the changeable nature of human nature and the shelf life of love.