Writing Cycles

This is something I've been thinking about off and on for years, and the past few weeks have made me think about it again. 

I've talked before about the writer's journey — how each day can begin with a call to adventure, is fraught with peril, and yes, most of the time, requires passage through the Inner Cave. 

But there's another cycle I'm thinking about now, more like a life cycle, specifically for a computer program (my Evil Day job).  There are stages of coding, just as there are stages of ...