Today charts provide good example and information *****************************************
*****************************************
*****************************************
It does not matter if the system fail you, however it does matter how you would response to it and behave when it fails you because if you cannot control your emotions during failure then it will leads to further failure and losses...............
No system is holy grail, it will tends to fail you once a while, it is not your friends that is for sure but it is a good teacher if you are able to learn from it...............