The first part of the flowchart (Emotion --> Action Required --> No --> Notice and let it go) reminds me a bit of my reading and practice of meditation. It is quite revealing when you are able to sit and "watch" your thoughts/feelings. The flow of emotion/cognition can be very chaotic.

I don't meditate as often currently, but I do use the technique of quickly observing the thoughts and feelings I can recognize at any given moment and making a rational choice to ignore the ones that are not helpful or are out of my control. I find it a useful habit.