Mood: The mood of the video appears to be romantic and intimate, with a sense of longing. The theme seems to revolve around a tender moment between two lovers, possibly a farewell or a goodbye, as indicated by the title 'Alvida', which translates to 'goodbye' in English.

Environment: The setting seems to be indoors, likely in a private space such as a bedroom or a bathroom, given the context of the man and woman sharing a toothbrush. The lighting is dim, with a warm glow, suggesting a quiet, personal moment.