When couples split up, families move from one to two households. Poverty is a common outcome that affects children. Six out of ten lone parents are supported by the state compared to one out of ten couple parents. That's where most of the £50bn is spent.
Living together before getting married: Should you buy before you try?
It sounds like common sense. Live with somebody for a while and you’ll find out properly if you’re a good match for a life together.