You are right because in the end important is the continuity. I think Arthur Schopenhauer has explained very well:
For Schopenhauer the "final aim of all love intrigues, be they comic or tragic, is really of more importance than all other ends in human life. What it all turns upon is nothing less than the composition of the next generation.... It is not the weal or woe of any one individual, but that of the human race to come, which is here at stake."
So, to put it simple, beauty, sensuality, etc are all tricks of human race to the the individual, through which is ensured the continuity of human kind.
P. S.
Sorry for my English, i hope you can understand what i want to say. lol.
I think you put it very well.
This is why people who say women, or men, for that matter, should just accept their appearance and be happy with it don't really understand human nature.
I don't know a single woman who wouldn't change things about her appearance if she could. How far she's willing to go is often a function of money and/or squeamishness or fear. There is no way, for instance, that I would have massive surgery to change my appearance, even if it were necessary and I had the money.
There are extremes, of course. There is obviously something wrong mentally with the notorious "cat lady".
One thing that has always struck me is how women from Saudi Arabia, for example, on approaching a landing at, say, Heathrow, go into the bathroom looking like a walking heap of dirty laundry or like Cousin It from "The Addams Family", and come out stylishly dressed and with full, and I mean full, face make-up. It's like the Muslim woman version of Clark Kent transforming into Superman in the phone booth!
So, it's pretty clear to me that Muslim women are no different from any others in this regard, unless they're poor, downtrodden women in some back of beyond place in Afghanistan, entombed in veils or burkas and forcibly married off as children to some ancient pedophile pig of a man, and even then I bet they have their vanities about their hair or eyes or skin.
I actually just saw a movie about a mother who risks her life to flee with her daughter rather than let her be married off at ten to some 70 year old tribal elder.
Dukhtar-Daughter
https://en.wikipedia.org/wiki/Dukhtar
From an evolutionary and genetics perspective, it seems clear to me that there are some issues with these kinds of arranged marriages given that we know there are mutations occurring with age that affect offspring. Isn't paternal age correlated with Down's Syndrome and other birth defects? Then, pregnancy often doesn't go very well for such young girls.