Topography, Muffins, and Chunking
Before I start a section hike, and sometimes just because I have the itch even when no hike is planned, I look at the topo maps for one section or another where I want to go. It's not just for fun — although it is fun — it's to break down a hike into manageable chunks of terrain that I can walk each day.
Why Do Documentation?
After all, isn't your software or process completely intuitive and self-explanatory?