I understand, for cultural reasons, and public modesty/decency, there was no such thing as sex before marriage or "dating" without a close supervision. Today, lots of girls use men for their resources. Girls have been taken expensive trips, shopping, and whatnot and wouldn't even kiss a man let alone let him inside of her, signaling she's not physically attracted to him/not her type and will obviously not prostitutes herself out. (which was a thing called charity girls in the 1900s) however she can easily sleep with another man with absolutely no money/future for free just because he was "hot".

So what has changed, has standards/morals changed? Do girls even care about resources like that anymore considering they have jobs now? Or has physical attraction always played a role in the human race for finding mates? And because of casual culture, looks are easier to be focused on.