Rob Booker in one of his really amazing video series is discussing the concept of Thinking in probabilities .. this trading webinar is not only going to change the way you think or believe about the market but in your whole life . 

Trading plan is needed any way but if you don't change your believe about the market and learn how to think in probabilities you are unlikely to reach your goals .

Remember that  trading psychology is a science you need to master as a trader so keep learning and listen always to those kind of lectures .. 

The Trading Game series consists of 4 parts :