Mood: The mood of the video appears to be light-hearted and joyful, with a focus on happiness and love. The use of bright colors and cartoon-style illustrations of a couple embracing adds to the playful and romantic atmosphere. The theme seems to revolve around relationships and the importance of being happy in love.

Environment: The environment appears to be an urban setting, with a cityscape visible in the background. There are also illustrations of people going about their daily lives, such as a man holding an umbrella and a couple in a car. The overall setting seems to be a modern, bustling city.