China has always had matchmakers but none quite like Gong Haiyan, who set up the countrys largest online dating website as a graduate student, 10 years ago. It now has nearly 100 million users. As we are packing up our camera equipment, Gong Haiyan hitches up her skirt and shows me a long purple scar on her right leg.

Is cohabitation legal in China?

This kind of relationship is not protected by law in China. The current law does not interfere with cohabitation where neither cohabiting partner has a spouse. Cohabitation with a spouse on one or both sides is illegal. Serious circumstances may also constitute the crime of bigamy and be punished by law.