The great traders realize that losing is an intrinsic element in the game of trading. This attitude is linked to confidence. Because exceptional traders are confident that they will win over the long run, individual trades no longer seem horrible; they simply appear inevitable.
There is no more certain recipe for losing than having a fear of losing. If you cant stand taking losses, you will either end up taking large losses or missing great trading opportunities – either flaw is sufficient to sink any chance for success.