I found the video below very interesting because it reminded me of how willpower is an exhaustible resource (for more about this, clickhere) and that you have a personal slave driver called The Zeigarnik Effect.
So how do you get the Zeigarnik Effect to pummel you into doing an unleft task? The Nike slogan said it best: just do it. Start on the task and –zim zala bim!- watch how guilt gnaws you the moment you try to leave that particular task unfinished.
Watch the video below: