Lol

From Op narration, I wonder if he's new to gambling but I don't think he's new to this industry because he said it has happened countless times. It's not superstition, it's simply the way gambling revolve and paying attention to it will make the gambler to lose the joy and entertainment that gambling has to offer. You're actually right because at times, what our mind believe in is what happens and having that mindset towards your gambling will only make you lose more. This is why luck can not be entirely separate from gambling irrespective of your experience.
I dont believe in superstition, even if it exist which I dont cannot tell it does. Life is full of uncertainty and many will see good things that comes their way as the lords will why others will believe something spiritual is against them. What every gambler should be concerned about here is on how to improve their mindset on what they think is an influence to how they win or lose in gambling. Most times what we believe indirectly starts having effects on us when literally is that we are only unlucky at that moment. I am very certain OP has won many times in gambling.