There are no guarantees in gambling at all. Even personal control over one's passions does not guarantee that a person will be able to stop in time and take away the winnings. Or at least leave with minor losses. The only thing that can be more or less relied on is the understanding that the game should be perceived as entertainment, and not a way to earn money, that it should not become a regular activity. A simpler attitude contributes to the fact that a person will not squander all the money in the casino.
When we know that there are no guarantee to win in gambling, we will not trying to playing gambling using too big money. We don't want to experience a lose in gambling and will always prevents the lose not to become bigger. Regarding quit from playing slot games or not will depends on us and how we thinks because if we don't find a fun anymore, that is the sign for us to quit from gambling for some time.
We must take a break from gambling to calm down our minds and not thinks about gambling. We don't have to waste our money to keeps playing gambling especially if we just lose our money. We have many things to do to distract us from gambling so we can avoids the big problem in gambling which is addicted to gambling. We control ourselves and not gambling control us so we must have strong self control that can hold ourselves from gambling.