Typically most couples rub along happily within a system that suits both parties. | Daniel Foster/Flickr
When it comes to serious relationships it helps to share (we are told), whether it’s the housework, cooking, or last slice of cake. And this is also true of personal finances, research has shown. In a worldwide study of nearly 40,000 individuals, it has been found that couples with joint bank accounts tended to have a better and more trusting relationship than those who kept their money separate - and moreover, they were less likely to split up.