JB, i see what you're saying in all your above points in the post not just focus on this one, and they make perfect sense to me...
but directly on this point, id like to say that maybe she's just a wh0re, and enjoys being a wh0re. a lot of them do and a lot of them are, just like in any country. some are in it until they become it, and some are in it because thats what they are already so its a perfect occupation for them.