Mood: The mood of the video appears to be romantic and celebratory, focusing on love and relationships. The theme seems to revolve around Valentine's Day, given the title and the heart symbols used throughout. The overall emotion conveyed is one of affection and warmth.

Environment: The setting seems to be a modern, possibly urban or trendy environment, given the casual clothing and the style of the images. However, there isn't a clear indication of a specific physical location. The focus is more on the people and their interactions rather than the environment.