Oh noes! People are incapable of adapting their aesthetics to changing bodies, how cruel! Someone tell my wife of 18 years before she finally listens when I say she doesn't need to lose weight for my sake!
Seriously, are you so far up your own ass that you don't think old couples fuck? Or just convinced those that do couldn't possibly have loved eachother as much when they were younger?
Where did I say shit about "don't settle for anything but top-shelf?" If women are the ones better at staying attracted to their partners, then what's up with all the lesbian dead-bedrooms?
If anything, my advice about not settling was aimed at women, and to men not to settle for being settled-for. Not my fault if you waste your time fretting over all of the lonely or soon-to-be-deservedly-lonely people who don't even enjoy their own company.
Or do you prefer everyone treat companionship as a means to an end?
Honestly, this exact scenario playing out with AI lovers of both anatomies and getting bad-enough that people decide learning to understand and put up with eachother's non-sense is the better option ... is the best chance our species has in this and future generations.
Otoh, we all know its mostly men, and this represents maybe a bottleneck we need to weed-out the ones that will never get the lesson. Here's hoping there's enough genetics in it at-play to actually eliminate a substantnal amount of the right(very specific levels/attributes of NP, gullibility and psychopathy) things, and not pointlessly cost our species a bunch of genetic diversity that could otherwise hang-around.
If that second paragraph seems harsh/eugenic, understand its the only potential possitive I see along this path, and almost certainly accidental if it works-out that way in the end at all. I believe anyone trying to make such happen on-purpose is insane and a bad person, promise.
More likely, our grand-kids will all be fucking robots until they die, and "their" kids won't be so-much theirs as clones/test-tube-babies the robots raise, should they for some absurd reason deign to keep flesh-bags around at all.