One of the things that really impresses me about Paul Ward of Matakishi’s Tea House is his focus. He chooses a new project, plans the project, does the project, finishes it, and moves on.
I’m a bit more scatter gun myself despite the fact that at work I encourage teams to limit work in progress. I start with a focus and get a lot done but then often wander off on a tangent when something else comes up that sparks my interest. I let myself do that because this is my hobby, not my job. A hobby shouldn’t really