Wanted: Wife who is smarter and five years younger

HAPPINESS is ... marrying someone smarter than you – at least if you are a man.

The secret to a happy marriage for men is choosing a wife who is smarter, better educated and at least five years younger than you, say experts.

Academics have discovered that a bride should also be from the same cultural background. Sticking to the formula would increase the chances of a long and happy marriage by up to 20%, the team from the Geneva School of Business found.