Not to mention that the human neck is one of the most erogonous zones on the human body ESPECIALLY on women who already have more nerve endings in that part of their body that tun toward their breast and spine. Thats a good reason in most shows the woman moans instead of screaming. Combine that with what @JosephCannon and @Gibbous1992 said and it explains the reason why
@Priscillasdoor I've seen Twilight and it's not one of my favorite movies.
It's kinda my fault for watching too much of a good thing in vampire anime to the point I'm tired of it and I regret it. I just need a break from it until the tiredness goes away