All types of addiction are like that. Even we wanted to quit gambling for good but still we are not able to help ourselves because the power of addiction is dragging us to keep on doing it. Gambling addiction is one of the hardest enemy when it comes on quitting, you are fighting with yourself and we can say that do something else to quit addiction but that is not an easy thing.
Yup all types of addictions are same, we will decide to quit but we can't it's very tough to stop any addiction activity. It is fighting b/w your mind and your greed. Your mind will say to stop gambling, but your greed will make you play gambling. You can handle this situation. If you can handle this situation means have self-control you can try to stop any addiction.