What do you need to marry an entrepreneur? Beauty? Wealth? Intelligence? Perhaps all three – but more than anything you should possess the virtue of tolerance.

By their nature, empire builders are obsessives who focus relentlessly on their careers. They feel they have a mission to create. And something in life normally has to give. That means a partner must be accommodating: willing to sacrifice almost everything for the business and willing to put up with the ego of their ambitious other half.