Honestly a "hangover" from the 50's sometimes sounds much better, because those men at least didn't only see the privileged side of being a man, but also did know about male responsibilities and duties, me thinks 
No, in all seriousness...all this talk about being a "new man" and having "your instincts" in check and all that....and I am not addressing you trying specifically here, but this is all rubbish.
This is some bandwagon people have jumped on in the same way some people and groups only pick out certain parts and verses of books of prayer....
There are plenty of animals, who are monogamous....and even the rabbit (who gets a bad rep) is not always ready to mate, nor are dogs etc.
Look at ducks and see how monogamous they are, plenty of other examples.
Also human beings are highly "complex social animals" and there is more about us than raw instincts.
If I would ever hear a man talk and think like that, I could still like him as a mate, or colleague, or friend....but not contemplate a relationship with him.
Why??? As I have plenty of close male friends, and my father, my brother, my ex-brother-in-laws, plenty of male colleagues etc. who do not express these views.
When I hear 'her body started to break' or women are not sexually attractive during or after menopause and all those comments, I wonder if the man even is able to simple look at a woman and fall in love for all her beauty and what she has to offer, cause men usually find all sorts of women sexually attractive. And they find all sorts of women lovely and beautiful, that is my experience.
I am definitely not as fit and slim and toned as I was in my late teens and early to mid twenties, that is a fact. I am nearly 40 and I have NOW since the last 3-4 years more men wanting to be with me and wanting a serious long-term relationship and have received marriage proposals, which I kindly declined as I am not ready to marry again, yet.
Why am I sharing this, because following some of the logic here, it wouldn't make sense why I am now with age much more irresistible than before.
I don't know why. But I think it has to do with having matured and mellowed and simply being a nice and lovely person who also makes a great companion to a man. And yes I am beautiful, but again I don't care about ageing or body breaking or whatever 
Men usually don't even see that, or am I wrong here?!