I don't have superstition but whenever I wins, I would make sure that I enjoyed my hard labour by visiting a good restaurant to eat well and drink soft drinks. And I don't think there is any believe to win or lose gambling but you luck is whY it take to win. Though there are always predictions in gambling but they are different from superstitions. And when you brings superstition then you are saying some kind of believes that comes from religious angle. Our hopes in gambling is different from superstitions.
This is one of the ways a gambler should behave. When you win an amount that cannot be used for investment it is better you take yourself out and have a nice treat. Some gamblers constantly reinvest their winnings in gambling, and in the end, they lose everything and regret it. This is caused by a lack of contentment.
Most gamblers are dissatisfied with their winnings and constantly strive to win more, even if it means losing what they have already won. Gamblers should always keep track of what they gain and lose from gambling. I believe that with such inventory, they will value their small victories.