[IAmBroom]

And there is data to suggest children of high earners tend to be more attractive, for just this reason.

A woman who is a 9 out of 10, but not inclined or able to make her own high-earning career, can jump to the head of the income line by marrying a wealthy man. No one is surprised by this, but there are certainly some genetic consequences.

Of course, children of high-income families have better access to dental care, pimple medicine, and so forth, in the US.