It would put a price tag on sex and women won't allow it. Women are gold diggers that will extract as much resources as possible without giving up sex. It would take away almost all the sexual power away from women as men would rightfully demand sex at a certain price or they'll skip the bs and pay a premium for just sex.
Single mothers make middle class wages when you account for the subsidies given. It's not our fault that your sexually irresponsible mother gave you the illusion of poverty at the tax payers expense.
And now you have 80 to 90% of men dipping out of society because over 90% of women are sloots and will just sleep with the top men. You just now made the problem worse.