Anyone who tells you that writing is easy wants to relieve you of your money — or doesn’t object to the production of drivel. Writing is a kind of blood sacrifice, an act of pulling out a line of words from the mind of the writer and affixing it to the page in a manner that is reminiscent of the method for extracting a Guinea worm — which can be wrapped around a pencil over the days required for the process, so the analogy is all the more apt.