One of the principal reasons so many successful people have failed miserably at trading is that their success is partly attributable to their superior ability to manipulate and control the social environment, to respond to what they want. To some degree, all of us have learned or developed techniques to make the external environment conform to our mental (interior) environment. The problem is that none of these techniques work with the market. The market doesn’t respond to control and manipulation (unless you’re a very large trader).