The most important active step you can take to cultivate your curiosity is probably to seek out the topics that engage it. Few adults are equally curious about everything, and it doesn't seem as if you can choose which topics interest you. So it's up to you to
When something isn’t getting done, it’s because the person a) doesn’t have the time b) doesn’t have the skill or c) has some sort of psychological block. The third case is surprisingly common.
"Mostly when I think of pacing, I go back to Elmore Leonard, who explained it so perfectly by saying he just left out the boring parts." - Stephen King