That's really not what it looks like from the inside of conservative religious communities in the United States, which are probably the single biggest driving f

That's really not what it looks like from the inside of conservative religious communities in the United States, which are probably the single biggest driving force behind prudishness. Yes, they'll agree that it's "a gift shared with your true love" and want to avoid its devaluation, but even more than that there's a very strong culture of shame around sexual desure.