

If you’re accommodating another group of people you should produce enough to always feed them, too, not just sometimes in surplus years. The whole point is that you’ve gotta plan for a surplus, otherwise you risk starvation in bad years (and it doesn’t make it any better, morally, if the people who bear the risk of starving are “another group or people”).
The diversity in preferences makes “up” impossible to define and order consistently between people. If you take a survey of a population for an ordered ranking, in desire ability as potential spouses, of a particular sample set, you might get wildly different rankings.
And then those same people might rank things differently depending on who they would most want to have a one night stand with.
Even laying out specific physical characteristics and asking about attractiveness will get those isolated features ranked differently. Heterosexual men will disagree on whether it is attractive, unattractive or neutral for a woman to be:
We’re all just looking for compatibility. What that means will vary from person to person, and what is very attractive to one person might be a huge turn off to another.
I’m generally of the view that you want to be with someone whose unique traits are positive to you, and who sees your unique traits as positives, too. That way both can fall within that stable equilibrium of both believing that they’ve married “up.”