It is consistently reported to be an almost flawless pattern: women do not date/marry down whilst men do. And they continue to show this behavior unchanged even

It is consistently reported to be an almost flawless pattern: women do not date/marry down whilst men do. And they continue to show this behavior unchanged even when they have plenty of resources on their own. Hence, for women wealth is a primary and non-negotiable selector and they do pretty much behave as a monolith in this matter.