In a suburb of Qingdao, eastern China, summer 2012, He Mu Yang runs a small cafe named Love Bank, so-called because he also offers a service for couples in love. For RMB660 (US$100) he will record each partner's private thoughts-cum-love letter and lock the video cards in a deposit box in the cafe; if the couple is still together after a year, they get the cards and their money back, but if