Only some 50 marriages are performed each year for every 10,000 citizens – the lowest per capita number in Europe.
Those living together en concubinage have some of the same privileges in law as married couples, including social security.
To qualify for these, you may need to obtain a (free) certificate from your town hall testifying that you’re living together ‘as man and wife’ (take identification, proof of address and two witnesses), although town halls aren’t obliged to issue them, in which case you can both sign a ‘sworn declaration’ ( attestation sur l’honneur) that you live together.
Qin, who won a bronze medal in his own synchronized diving event last week, climbed up to the stage after He received her silver medal, getting down on one knee while holding a red box with the ring and a glass-encased rose.
"I didn't know he would propose today and I didn't expect myself to marry myself out so early," said He, who tearfully accepted the proposal with a big hug.
"I'm grateful every day for my fans, who give me strength, freedom and independence.
Thank you for believing in me, my music and my values." Qu's message in English and Chinese was shared on Thursday with her 1.5 million Sina Weibo followers.
"I would only love a man who shares my morals and values, who's honest and faithful and lives with integrity, who has respect and love for our colourful, diverse and beautiful planet," Vancouver-based Qu said in a message on multiple social media platforms.
Robertson is famed for his environmental policies and is the founder of organic juice brand Happy Planet. I believe one's happiness should never result in another's loss or sadness," Qu, 31, continued.
Ian Young is the SCMP's former International Editor.
A journalist for more than 20 years, he worked for Australian newspapers and the London Evening Standard before arriving in Hong Kong in 1997.
Almost 7.5m French citizens live without a partner, around 1m of whom are divorcees, and the number is growing each year.