When you finish writing a book you kind of think it should be momentous, right? But you do it at a dining room table, or on the toilet, your desk in the last 20 minutes of lunch, or sitting on the living room sofa while reruns of Dr Who play on mute on the TV. The thing gets done...and you sit there. You're waiting for lightning. A thunderclap. Some great emotional release. But that comes later, because at the moment? You're in shock.