Natural refers to something that belongs to nature. Sex in the right context, for example, is natural. Watching other people copulate, on the other hand, is very unnatural. I don’t know any societies prior to their internet where that was the norm. In any case, the argument that something is natural, therefore it is good, or advisable to do, is innately flawed. You know what else is natural? Predation. Violence. Infectious disease. Sometimes following our nature produces harmony. Other times, it produces dysfunction.
Walk In Integrity
For more, see 7 Toxic Beliefs That Keep People From Quitting Pornography.