Mood: The mood of the video appears to be romantic and playful, with the couple sharing a tender moment. The use of the phrase 'Silly Silly' also suggests a lighthearted and humorous tone. The overall theme seems to be a celebration of love and youthful romance.

Environment: The setting of the video is not explicitly clear, but based on the attire and the studio-like background, it appears to be a music video or a film promotional material shot in a studio or an indoor location. The simplicity of the background suggests a focus on the couple and the music.