Most of the way through the third of Ferrante’s Neapolitan novels, Those Who Leave And Those Who Stay. A central figure is the juxtaposition. The special power that an artist has, in Ferrante, is to put things beside each other which are not ordinarily beside each other; or, to put it another way, to place distant entities into contact. But it’s inevitable that the ability to do so also makes natural boundaries more permeable. It becomes more difficult to keep what’s inside separate from what’s outside. This creates problems.