> Time spent fully engrossed in a subject, where the learner is able to put away their ego and learn as a child would, is what is conducive to good learning. That can happen at any age, but in practice, seldom does due to the demanding structure of adult life.

That's what I'm talking about, but don't blame some external force for that outcome. It's a choice; it's about priorities. If you give yourself time for a little growth, I think you'll net much greater productivity overall - including emotional presence for your family.