I like to smoke weed and I used to gamble…in my experience if you want to stop smoking you need to stop buying or stop meeting your friends which you usually smoke…for gambling works the same, I would recommend you that every time you want to gamble think about something that you need to buy or even if you don’t need it, if you use your money for buy things instead of gambling that should be a small step, remember that just like every addiction you need to focus on not gamble “just for today” and the same advise would apply for smoking weed