I think the worst and most insidious procrastination for me is research. I will be looking for some bit of fact or figure to include in the novel and before I know I've wasted an entire morning delving into that subject matter without a word written.
It scares you: all the noise the rattling the shaking. But the look on everybody's face when you're finished and packing it's the best smile in the world and there's nobody hurt and the well's under control.
