One of a secret of billionaires is a sucsessful marriage. "Forbes" emphasizes that a sucsessful marriage is not only rich heritresses. It is very important to have a wife who upholds (helps) her husband, beleives in his progress. The right choice of a wife is a main source of a fund of all self-made men - "Forbes" says. So if you want to be a billionaire - Cherchez la femme!