So your emotional state really has a lot to do with what you're thinking about and what you're paying attention to.
Daniel KahnemanFriends are sometimes a big help when they share your feelings. In the context of decisions, the friends who will serve you best are those who understand your feelings but are not overly impressed by them.
Daniel KahnemanTrue intuitive expertise is learned from prolonged experience with good feedback on mistakes.
Daniel KahnemanFinally, the illusions of validity and skill are supported by a powerful professional culture. We know that people can maintain an unshakeable faith in any proposition, however absurd, when they are sustained by a community of like-minded believers. Given the professional culture of the financial community, it is not surprising that large numbers of individuals in that world believe themselves to be among the chosen few who can do what they believe others cannot.
Daniel Kahneman