Well if having positive habits to gambling means to gamble responsibly, play with the amount of money you can bear to lose, gamble less frequently then you are weaning yourself from your gambling habit . Because what I know of weaning is that it helps you to reduce the addiction of excessive video gaming and gambling. So it is beneficial for an addict to learn weaning if it means depriving yourself of habits that will make you to gamble even when you don't want to. Like if you reduce the amount of times you visit off line game houses or if you also reduce the number of times that you login to your gambling app, it can help you reduce addiction.