As Susan Sontag once observed, pornography is practical. It was designed as a marital aid, and its vocabulary should follow natural biological rhythms and stick with hot-button words in order to produce a predictable climax. It is not about sex but is sex. Whereas the great sex writers (Harold Brodkey, DH Lawrence, Robert Gluck, David Plante, the Australian Frank Moorhouse) have a quirky, phenomenological, realistic approach to sex. They are doing what the Russian formalists said was the secret of all good fiction – making the familiar strange, writing from the Martian's point of view.

One reason that art is such a jealously guarded term is that we use it to elevate sensory experience to something special — the implication being that sensory experiences are not all that special on their own.