Maybe some part of you has decided that it's time to stop exploring education and its time to exploit the knowledge you already have? Do you feel like you have a lot of knowledge now? Or that you know enough

No, I definitely didn't learn everything I think I need. I am very much in need to learn a lot of things, desperately, in fact.

Is your relationship to knowledge seeking now in the form of "disinterest", "too busy for it", "sick of it" or some other sentiment...

I still pursue knowledge from pragmatic standpoint. "This is useful, this is not, therefore I need to learn this and can completely disregard that". There is just no "drive" in it, no genuine force of curiosity that used to be so motivating. From pragmatic standpoint, my ability to learn suffered a great hit.