who benefit more in a marriage

It should be mutual benefit, but nowadays it is more in the woman’s favor. For whatever reason, but everybody’s marriage is their own business; what works in your marriage might not work in somebody else’s.  

Both the man and woman does if they follow the biblical, Godly standard for marriage. Nobody will feel cheated because God has already shared martial work or duties appropriately

It is supposed to be mutually beneficial. Otherwise, then it depends.

In an ideal condition, marriage benefits is mutual.Marriage is thrives on the principle of Give and Take.So the benefit should be mutual.