No one can help you except yourself, it should start from your own mind to stop gambling. Our suggestions will be useless if you have no intentions to stop. Find a good reason why you have to stop and start throw away anything related to gambling from your mind. I know it is very hard but it is not impossible if you really have good reason to stop.
I agree that you are the one to control yourself, but you should control also your emotions, and think well if what is right. To leave a gambling is very difficult to stop, the best thing you do is just focus on what others advice to you for your good. There is nothing wrong with gambling, but be sure you will not get seriously or addicted, think that gambling is just for fun only.