why “equal marriages” backfire.

http://www.foxnews.com/opinion/2017/09/15/is-equality-ruining-your-marriage.html 
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Men and women are not interchangeable beings, pure and simple. They may both be capable of being breadwinners and full-time parents, but that doesn’t mean they want to perform these tasks with equal fervor. Typically speaking, a man’s identity is inextricably linked to his paycheck. A woman’s is linked to her children. That this does not hold true for every woman and every man doesn’t change the fact that what drives most women is different from what drives most men. 

Giving birth is a woman’s unparalleled accomplishment—her first instinct is to provide for that child physically and emotionally. A man’s first instinct is to protect and to provide for that child. That’s his unparalleled accomplishment. 

It’s time to stop pretending the culture is to blame for why “equal marriages” backfire. (I use the term “equal marriages” reluctantly, since an equal marriage has nothing to do with who performs which tasks inside and outside the home.) Human nature doesn’t change just because society does. Just as women are emotionally invested in the home in a unique and primal way, men have a visceral need to provide and protect. That’s how most men and women gain their sense of self-worth. 
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Societal attitudes may have changed, but human nature has not. Perhaps it’s time we surrendered.