Here at the end of the day, perhaps in the face of my growing mastery of the subject matter I'm about to write about, little doubts start to crop up. Why this topic? they say. Why don't you ever write about anything normal? They say many other nasty things that I won't repeat here. I am going to sleep them off. I don't do things without reason; my instincts are sound. I'm going to keep following this particular rabbit.