Gambling is a kind of addiction, if you want to stay away from it then you should spend time with your friend and family. spend most of your time at places from where you can't do any kind of gambling.Playing games and watching movies also can help you to change you habbit of gambling.
I think if your addicted to gambling your going to spend time to a rehabilitation center and then your family will go and have a bonding moment with you there, because you can't control yourself when your addicted you can't really stop it all by your self you will need a guidance and love of your family.