Believe it or not, being a successful <insert just about anything here> requires a far lower amount of expertise and a far greater amount of behavioural and emotional management than most people recognise (or care to admit). We see time and time again that this is particularly true of people's finances. As humans, we make simple decisions complicated because emotions cloud our judgment - fear, greed, anxiety, uncertainty, overconfidence, spotting trends that don't exist... they all distort what should otherwise be a simple logical choice. Let me give you an example.   There is an enormous body of scientific data…