Mood: The mood of the video appears to be melancholic and romantic, with a sense of longing and nostalgia. The use of dark colors, red confetti, and the man's contemplative expression suggest a bittersweet tone. The theme seems to revolve around heartbreak, love, and possibly regret.

Environment: The environment appears to be an urban or modern setting, possibly a cityscape or a building, given the presence of a structure in the background. The dark and moody atmosphere suggests a nighttime setting, with the red confetti adding a sense of drama and intensity.