Mood: The mood of the video appears to be romantic and playful, with a hint of sophistication. The couple's body language and facial expressions suggest a lighthearted and flirtatious tone. The theme seems to revolve around relationships and the effects of marriage, as hinted by the title 'Shaadi Ke Side Effects'.

Environment: The setting appears to be a trendy bar or nightclub, with a dimly lit atmosphere and neon green lights. The presence of a bartender and bottles on shelves in the background adds to the ambiance of a modern, urban nightlife setting.