For all the dicks wagging about, NYMPHOMANIAC is less a film explicitly about fucking than a knottily plotted collage essay, Scheherazade meets Sontag, that von Trier uses the central theme of fucking to launch into sometimes semi-autobiographical digressions and footnotes on Edgar Allen Poe, (passingly)how anti-Zionism isn’t anti-Semitism, Bach’s polyphony, the Fibonacci sequence, feminism, fly fishing, Freud, and the split in morality defined by the Catholic and Orthodox churches. Some way through, Joe forcefully states that sexuality is the most…