1950s. The beginning of second-wave feminism in the 1960s started a long, slow decline for men with guys gradually having to lower their standards to get a woman. The slow decline continued until the rise of social media and Tinder, at which point it fell straight off a cliff. Nowadays, a 5/10 male has to be a literal cuck to marry a woman, taking care of the mulatto kids some fat white single mom had with Tyrone.