愛情節快樂(Happy Valentine's Day retro 70s poster set with kissing couple in love)是愛情日(World Kiss Day)的英文名,是情人節快樂 (Happy Valentines Day retro 70's poster set)的縮寫,是愛情的抽象現代嬉皮士插圖(英語:Abstract modern hippie illustration of love),是愛之情的