[thorum]

The article’s advice section is actually quite practical, and directly addresses your point:

> It should go without saying that the best way to increase your practice surface area in a given field is to be obsessed with that field. Obsession makes quick work of formal and bounded training sessions, and it doesn't need "tips" on how to do so.

> So the question then becomes, "How do I increase my practice surface area if I'm not already obsessed?"