I have seen so many gamblers who lost a huge amount of money although they were very much positive and that they were doing their best but were unable to make anything different.
It will absolutely never work. Even the universe naturally have a way of rejecting those that are stupid enough to think that they can just control good things to them by thinking positively in gambling. Anyone who wants to think positive should go find better things to do like real investment, work hard for it and be positive, and that can be applicable, but in gambling, it is a game of luck and most times luck is even always busy to answer to everyone at the same time.
It was all because of the reason that gambling has nothing to do with your attitude and that it is only your luck which can turn things in your favor. Other than that, nothing can help you in anyway.
But human mind is centered on greed and those who cannot control that part of their mind will always look for ways to think there is a possibility of them having a better chance at some silly things they do. If people will keep remaining being stupid, they will never change and they will keep doing the same thing over and over again expecting the same result. Even if God would have to answer anyone, it is not in a game where the person obviously is not using his common sense.