For the vast majority of people it simply doesn't work like that. It's a long, expensive, seldom successful and generally frustrating experience which takes a toll on self-esteem.

Unless you're in the top 20% or so of attractiveness.

Consider the plight of the humble salmon: Spend your whole life just for one chance to mate, most likely to be killed by other fish, eaten by bear, yanked out of your home via net or metal hook, it all smells like fish, and then you die on a gravelly shore with birds ripping your eyeballs out.