I think the author could be a gynecologist or a doctor of some sorts since they're extremely well educated of bodily functions and the anatomy. That or they watch wayyy too much porn to a point where it's implanted in their brain.
I think the author could be a gynecologist or a doctor of some sorts since they're extremely well educated of bodily functions and the anatomy. That or they watch wayyy too much porn to a point where it's implanted in their brain.