Women try find the most appealing clothing, fashion, etc. And yet they keep walking past one another. If aliens landed on this planet and observed this behavior, wouldn’t they be confused?
We are programmed to reproduce.
We see single men and single women walking past each other many times a day. And nobody is getting pregnant? Men work hard to earn more money to attract someone. How is fertility even a problem? The solution is literally right under our noses — literally! Just look down.