Mood: The mood of the video appears to be romantic and sentimental, with a focus on the emotional connection between two people. The theme seems to revolve around love, longing, and possibly heartbreak, as hinted by the phrase 'Never together... Never apart'. The overall tone is melancholic yet intimate.

Environment: The setting of the video seems to be outdoors, likely a beach or a scenic coastal area, given the presence of sand, sea, and a blue sky. The warm and serene environment suggests a peaceful and idyllic backdrop for a romantic narrative.