As the saying goes: self-confidence is half of the success. If you want to live in a successful life, self-confidence must be your essential condition, some people say I am very confident, but why I did not succeed. My answer is simple, it is because you are not cofident as you think you are.
When you encounter a feel-good thing, to practice with self-confidence, but encountered difficulties may falter and even collapse, even more tragic is still kept an excuse for your failure, over time, that excuse it will form the inertia, so you get used to evade and not see the nature of the problem. So fundamentally, your failure is largely to blame, "You do not really confident."
As a poker player, confidence is not just a attitude, it also is a strategy in the game. When you hold a worse hand, but you still possible to win, then you need to perform you have a good hand and force opponents to give up. Do you want to use some poker cheating device? Poker scanner can scan the cards and transmit the signal to poker analyzer, and you can get the information of situation of all players, poker predictor can tell you the winner before dealt cards.