After searching and listening to discussions from gamblers who "survived" gambling for years without having profound problems in their life, I came to a conclusion that what they have in common is a realization that (1) gambling is a form of entertainment, not a way to make money/profits. Furthermore, they always have (2) a fixed budget before playing and stick to the budget. They (3) won't withdraw more money if they lose the initial budget trying to get it back. And finally, they (4) won't feel any guilt about losing the deposit.
I think what they do is basically limit their exposure to the adrenaline rush and dopamine feedback loop. If a gambler really tries to win, betting a significant portion of his lifesaving, the amount of adrenaline released is so high that it's like facing imminent danger. Then, when he wins, his brain feels relieved and releases dopamine. This mechanism is what makes people addicted to gambling and unavoidable become problem gambler.
What do you think?