Usually they are success when a high earned man can have a low earn or a homely women. In the same way a high earned women can have a low earn man. When equality in the money comes the success depends on complex factors like understanding, love and many more.
When man and woman are said to be equal why she wants her man to be high earner if she is selling some thing on higher price,The real comfort is in love and mutual understanding and not in more money.Money is needed only to fulfil everyones needs and one can lead a good life w/little money also.
