Players who cannot be disciplined during the game, as well as can't keep calm and stop in time - no place in gambling. Such people are at great risk of losing all their money, as well as becoming addicted to gambling.
So no matter what, the discipline is the important thing that we need to have in gambling. Such people will not realize even if they play longer because they don't think that discipline will help them to keep their money. That will be worst if they become addicted because if they get addicted, they will only want to play more and more, and don't stop if their money is gone.
Many qualities you need to possess in order not to become dependent on gambling. This is of course the same discipline and calmness and the ability to limit yourself. Also, the main thing in gambling is to understand that you can't constantly try to earn money from gambling. Everything is arranged so that for a long distance, players lose the casino.