You Are Not so Smart is a blog about the many ways we delude ourselves based on psychological and economic research. In a similar manner to the Freakonomics Blog it takes pot-shots at the conventional wisdom such as wine snobbery, the usefulness of meetings, and caffeine buzzes.
The Misconception: You know why you like the things you like and feel the way you feel.
The Truth: The origin of certain emotional states is unavailable to you, and when pressed to explain them, you will just make something up.
(via Kottke.org)