The biggest factor here is self control, the greed to win more never gets satisfied until one loses every coin he have. Instead of celebrating, you'll end up crying.
But the human beings will never gwt satisfied with money they want to ear more and more money even if they have in millions or billions.But they need to know that gamblimg is not the way to make money they can try theur luck here but dont depend too much on the gambling earnings.
Well, that is where the greed part tends to play a lot of disadvantage for gamblers and as long as they cannot control their greed most of the time, they tend to push their luck so much than they can even handle at all until the negative part of gambling starts surfacing.
The thing with gambling is that it has more negative effect than positive anyway, and depending on you, the negative effect can only be applicable if you end up careless with your mentality and control.