If you get up by 6am, exercise, plan your day, and start on your biggest task, then your whole day is different. If you do this regularly it becomes a habit.
I think that the most significant, guiding principle was that we wanted to return to a three-piece live form, whereas we became a four-piece for the last record because the songs had more extensive arrangements and we needed a keyboard player to pull off a lot of those songs. We missed the energy, and more push-and-pull of the three-piece.