Mood: The mood of the video appears to be romantic and melancholic, with a hint of longing. The theme seems to revolve around love and relationships, with the title 'Je T'Aime' being a French expression for 'I love you'. The overall emotion conveyed is one of yearning and affection.

Environment: The setting of the video seems to be an outdoor location, possibly a park or a garden, with trees and greenery in the background. The presence of lights in the background suggests that the scene might be set at night or in the evening. The environment appears to be serene and peaceful, with a sense of intimacy and closeness between the individuals.