excessive frustration lead you to be more aggressive and instead of quitting or stopping it generate the kind of mindset that you needed to proceed and continue, more time to gamble can convert into more money to deposit, the moment you realize that you are doing wrong decision making is when you already emptied your bankroll together with your save money or money that's not supposedly for gambling and supposedly for more important things that it was saved or prepared.
Excessive frustration will only trigger a person to gamble non-stop because he will try to recover his losses and use more money to continue gambling. But it also won't guarantee he can recover his losses and he may experience more losses. But if he can manage his emotions so that they don't escalate further, he will realize that it is time to stop gambling and leave the casino so as not to suffer even more losses. He must be aware of it because he must be a responsible gambler and not spend too much money gambling. Moreover, gambling will not always give you a win, even a small win.