But why do men prefer hot young things and women older, more successful men (as husbands, anyway)?
You really need to give up on your nonsense theories. When women get to choose their own husbands, they choose a man who is within 5 years of their own age 77% of the time. Most women do not want to be married to what amounts to old men (relative to their own age). Now that women are not forced by their parents to marry old men, most don’t.
difference..............................Percentage of All Married Couples
Husband 20+ years older than wife.......1.0
Husband 15–19 years older than wife.....1.6
Husband 10–14 years older than wife.....4.8
Husband 6–9 years older than wife......11.6
Husband 4–5 years older than wife......13.3
Husband 2–3 years older than wife......20.4
Husband and wife within 1 year.........33.2
Wife 2–3 years older than husband.......6.5
Wife 4–5 years older than husband.......3.3
Wife 6–9 years older than husband.......2.7
Wife 10–14 years older than husband.....1.0
Wife 15–19 years older than husband.....0.3
Wife 20+ years older than husband.......0.3 https://en.wikipedia.org/wiki/Age_di..._relationships
By a slight coincidence, I've just started reading a book called The Mating Mind which is an evolutionary psychology book by an actual evolutionary psychologist with a Ph.D. in that subject. It's about how our big brains were actually evolutionarily favored by female mate selection mediated by the (evolutionarily) recent invention of "language", which made IQ and other psychological attributes even more valuable than they had been before.
This has what to do with your incurred theory that most women prefer older men.
I'm a little pretty sure that it is going to teach me a lot I didn't know about this topic, but I am a bit hesitant to take his analysis as necessarily being unbiased. That's because he made a tremendous analysis error that I can attribute only to bias, in one of his chapters in his book about what to do about consumerism (Spent.).