The biggest thing this comes down to is discipline. Deciding that you're going to do something & simply doing it. Breaking this down into 3 parts means that I'

The biggest thing this comes down to is discipline. Deciding that you're going to do something & simply doing it. Breaking this down into 3 parts means that I'm not spending more than 2-3 hours in one place. If I'm having trouble sticking to something for a couple hours - there's usually a bigger problem than just being "productive."