Ring Binders--MeePlus, Plotter--and my having no need for them, really, though commonbooks are nice

I have gone deep into the rabbit hole. this is more of a psychological exploration than a review, but if you enjoy seeing how others use their notebooks, you might find a moment or two of this interesting. It's long. Make a cup of tea. Perhaps a pot. Do the crossword puzzle with this in the background. How do you use these notebooks?