"I think of it as like the human brain reverses aristdecision. So whether you make a hundred a day or a hundred a year, or even whether you're a pitcher for the nex and you have to make a pitching decision,. what's happening is the same," he says. "So i don't think thet trading a besting thing. So much matters." 'It came from the fact that i had this master's degree in narrow psychoanalysis before i became a trader,' writes Mark Whitaker.