Perhaps a good cure for continuing the marathon of losses in gambling is an internal and deep understanding of the fact that, no matter how you continue to play, you will face losses, it will definitely happen at some point.
Some people are the cause of their problem, it's not as if they are not aware of the risk of gambling, not that they don't know that they will encounter losses but they kinda have some confidence that they could be very lucky more than anyone else, they forget to realize that it doesn't work like that. From what I have seen so far, there's no addicted gambler that would say "they didn't know that gambling is a game of luck, " They know but ignorant caused them become addicted.
Every gambler (both the newbies and expert) may understand that gambling is a game of chance but it is not every gamblers who's addicted today is fully aware of the risks involved in gambling. It is just like crypto trading where some newbies have the belief that it is a pot of gold where they only need to buy low and sell high to make a profit whereas the major concept of crypto trading is beyond that.
This is the exact thing we also see in the gambling space.