"Man Down"

Man and Woman both have gender roles and character traits you associate with each sex.  As people, we look at the "Man" as being the breadwinner and head of the household.  But due to the single parent homes, father-less children, women excelling in the job force, Do Women have to "Man Up" cause some men are not???  What are some specific reasons that cause women to take on the male role? Do women really want to lead or follow?  Since some women are taking on more of the male role, where does that leave the man? If the woman is the head of the household, does this contribute to some men becoming sorry? And also, could this be an effect of some boys or men becoming too feminine.