Why We Make Mistakes

We forget our passwords. We pay too much to go to the gym. We think we''d be happier if we lived in California (we wouldn''t), and we think we should stick with our first answer on tests (we shouldn''t). Why do we make mistakes? And could we do a little better?We human beings have design flaws. Our eyes play tricks on us, our stories change in the retelling, and most of us are fairly sure we''re w...