Task selection is the tricky bit. It has to actually be important in some dimension. The easiest is something with an amount of social pressure. If someone is waiting for you to do something that you have promised, then it acquires a kind of urgency and importance even if it wouldn’t harm you not to do it in a timely manner.

It’s not fake importance, it’s just taking advantage of the fact that you want to be seen as dependable and effective to other people.