Mood: The mood of the video appears to be romantic, nostalgic, and sentimental. The theme seems to revolve around love and relationships across different eras, evoking a sense of timelessness and universality. The use of pastel colors, heart overlays, and intimate couple poses contributes to a warm, fuzzy, and sentimental atmosphere.

Environment: The setting of the video seems to be a blend of different environments, possibly spanning various decades or eras. The backgrounds are blurred, but they appear to be a mix of indoor and outdoor settings, with a predominantly soft and warm color palette. The focus is on the couples and their emotions, rather than specific locations.