Hallinan posits that people take information in on a purely need-to-know basis, without even thinking about itthe fact that the majority of people think they’re above average at everything (which is mathematically impossible), and the underlying scientific explanation as to why men hate asking for directions. He even debunks certain widely accepted truths—going with the second instinct when taking tests actually results in more correct answers. Hell, he breaks from traditional social-psychology literature and offers up solutions for the errors he notes. T