Mood: The mood of the video appears to be romantic and intimate, with a focus on the emotional connection between the two leads. The theme seems to revolve around love and relationships, possibly with a hint of drama or comedy, given the title 'shaadi ke side effects' which translates to 'side effects of marriage'. The overall tone seems light-hearted and playful.

Environment: The setting of the video appears to be a private, indoor location, possibly a bedroom or a cozy living room, given the intimate closeness of the couple and the wooden wall or headboard in the background. The atmosphere seems warm and inviting, with a focus on the emotional intimacy between the two leads.