Two recent events have shone different lights on the government’s view of unmarried couples. As the graph shows, marriage has been drifting out of fashion for close to 50 years. There are now over 3.3 million unmarried couples in the UK, of which nearly half have children. In spite of this major social change, governments have largely maintained sharp legislative distinctions between the married and unmarried. When they have conflated the two, it is usually to swell the Exchequer’s coffers, for example when applying the high income child benefit charge to unmarried couples with children….