Just wait for the winning time of your gambling session and after that winning time then its the time for you to run out of the site together with the money you are playing with or play with another site and aim for a specific amount of bitcoins.Because after that winning streaks in a site they will strike you back and take all your money,
What if after several try you are still not winning and you are already finishing your money? If it is me before losing twice i will run home quickly. You will never really know when you are going to win but losing is always sure.
But after every lost people start making excuses and giving argument for their lost. and they are still sure about their wins, In fact gambling attract people because gambling do not require any skill or education and it is consider as the shortest way of making money, but the reality is something different. Gambling is in fact one of the most difficult way of making money where one can lose every thing in short period of time.