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In my opinion, inflated expectations and hopes appear long before the gambler loses money in gambling. Rather, they appear because of a misunderstanding of how the gambling system works. And it seems to me that not all people gamble because of some life failures, because to take additional risks when you are not all good is a way not only to financial loss but also to mental problems. I believe that any stress should be experienced and then think about risky entertainment.
I suppose that stress in gambling can only be avoided when you completely let go of the thought of needing to win a certain amount, which appears as an image in front of your eyes, and take it easier. Perhaps there are people who can focus on the game and enjoy the process, rather than just the expected outcome. But in that case, I think it's only possible in more complicated games, like poker or certain board games. Slots and dice are definitely not suitable for this because the gameplay in them is monotonous.