The whole point of filtering out mates under your level is that the mate would be able to at least maintain you at in a lifestyle you're comfortable with. The reason that this is ubiquitous is because women are supposed to bear and care for kids and will thus be indisposed for a significant portion of their adult life, needing to be taken care of.
If women aren't having kids, with a single man, then there's no reason to take care of her, period, let alone sacrifice for her.
Men have been conditioned into thinking they want sex (by someone) instead of understanding that they want kids, a legacy, and sex is just an extension of that.q
It's a perversion of hypergamy.
The whole point of filtering out mates under your level is that the mate would be able to at least maintain you at in a lifestyle you're comfortable with. The reason that this is ubiquitous is because women are supposed to bear and care for kids and will thus be indisposed for a significant portion of their adult life, needing to be taken care of.
If women aren't having kids, with a single man, then there's no reason to take care of her, period, let alone sacrifice for her.
Men have been conditioned into thinking they want sex (by someone) instead of understanding that they want kids, a legacy, and sex is just an extension of that.q