Sitting in a cafe in Sydney recently, I heard a line that I would never have expected to hear from Dad, a dull, quiet, introverted Chinese man in his late 60s who can be quite conservative and stubborn, especially when it comes to dating. “When you hang out with boys and go on dates, don’t forget to use condoms to protect yourself.” Looking serious, he went on to tell me that using protection can not only prevent pregnancy, but also sexually transmitted infections. “When I was in my 20s, a colleague of mine in the factory met a woman …”...