Mr KB Ryan Joshua Mahindapala had found no success with dating apps when a chance encounter in Vietnam in a hotel buffet line led to an unexpected and unlikely marriage. Her name is Anh Hoang. She is Vietnamese, a free-thinker, and she lives over 3,150km away from where I grew up.  I could not have imagined a less likely match – at least, not by the conventional checklists we Singaporeans tend to carry around in our heads. But now here we are, husband and wife. For about a year before I met Anh