If predictability was insight, if the familiar was shocking, if everyone hadn’t already watched a billion hours of Internet porn, Nymphomaniac might be the movie Lars von Trier thought he was making.
Sex in both endeavors [Nymphomanic and Under the Skin] is a must; an addiction in the former and a tool for sustenance in the latter. But in both cases the women are driven by something beyond their control and as a result, they prey.