The woman makes or breaks a marriage?

I'm going out on a limb here.  Please don't shoot the messenger!

I want to explore what I heard discussed on a radio show recently:

More often than not, the woman in a relationship makes or breaks a marriage.

Let's assume it's true (but it might not be).  Why might this be?

First of all, this is not saying, "It's always a woman's fault."  It is saying, however, that women have tremendous relational power, while men are more easily swayed.

Men hunger from a very young age to make a woman happy.  It can be as simple as volunteering to carry something heavy for an elementary female teacher to working long hours so his wife can stay home.  A man's worth is tied up in his ability to see his woman smile and say thank you.  This is proven again in the bedroom.  A man is not satisfied to have sex with a passive wife.  He wants her engaged and pleasured because, while, yes, he does want it for himself, he also wants her to be happy.

When it comes to a relationship on the rocks...the woman's willingness to make it work is the ground floor.  It doesn't mean that's all it takes, but it carries more weight than the man's willingness to make it work.

If he still has a desire to make her happy, even if it's faint, he will need to know: is it possible?  Will she let me bring happiness to her?  Will she accept my attempts with gratitude, a smile, and maybe even forgiveness?  Or will he only receive coldheartedness?   Will he only get criticism when he tries to make amends or make a change?

Sadly, he may give up, when ironically he's giving the things his wife really wants, but she, not wanting him to feel like everything's okay now, doesn't want to give him the satisfaction.

I can hear the voices of hundreds of different people with all the varied details that come in relationships crying out, "This is too simple an explanation!"  Indeed, maybe it is.  I'd be happy to hear any feedback to see if my ideas are off base.

Thanks for considering with me!