The Reason for the Popularity of Three Types of Erotica from a Scientific Perspective

There are four types of people in this world: those who watch porn, those who lie and say they don't watch porn, bodies that cannot watch porn, and your grandmother. Look, we love porn so much that we categorize and rank them, even worship them. But can anyone tell us what the hell is going on? In the past, I might have just generally told you that it comes from humanity's primitive desires. But now, scientists have given us a more detailed explanation. After you've used up a night's worth of tissues, you might as well take a look at these reasons and seek the source of your own madness.