Mood: The mood of the video appears to be romantic and sentimental, with a hint of nostalgia. The theme seems to revolve around love, relationships, and possibly heartbreak. The overall emotion conveyed is one of longing and introspection.

Environment: The setting of the video appears to be outdoors, likely in a park or a scenic spot with greenery in the background. The couple is sitting on a stone staircase, which adds a sense of serenity and tranquility to the scene. The natural surroundings and the casual attire of the couple suggest a relaxed and intimate atmosphere.