Common couples' stores are more profitable, for example, by selling only a small variety of couples' gifts or by adding some gender-specific items. The o2 love oxygen shop uses the "complex business model", which is a multi-pronged approach. The so-called oxygen bar is the place to breathe life. O2 love oxygen is the place that gives life to love. A different "oxygen bar", different economies. Different age groups, different cultural backgrounds, different types of couples, different demands on couples' gifts. A notable feature of the o2 love oxygen bar is the development of different products based on different sub-markets, the provision of individualized services and the retention of customers with different identities. The variety of love-baskets is all-encompassing: couples' uniforms, love umbrellas, love sheets, couples' bags, love rings, love-making accessories, love-making work items, love-making furniture items, love-making tokens, love-making objects, etc. Dozens of series,...