~snip~
Yes, the adrenaline and the appetite increase when you keep playing, and you already exceed your limitations. It's the beginning of your addiction once you are already at the point where only gambling is circulating inside your mind. It's something that is hard to resist, especially when you are enjoying or you are in the place where you wanted to play because either you are winning or you are trying to recover your losses, and you are being dominated by your emotions.
It's something that you need to work on, resisting the temptation to keep pushing forward and always keep yourself in a place where you can still control your own self and not into a deeper connection inside gambling.
They won't know if they have crossed their limits because they get so much fun from gambling that they forget their limits. The more often they do it, the more they will quickly lose self-control without being able to realize it, so they will become addicted to gambling without realizing it too. And when they are addicted to gambling, they will not see other interesting things because they only want to gamble.
Having this self-control can prevent them from the temptations they see so that they can use gambling appropriately. They will also prevent themselves from getting too involved in gambling because of the risk of becoming addicted to gambling.