The only one that can help you is yourself, if you dont committed to keep your promise then any advice is useless, go find a psychiatrist to help you to deal with your addiction, keep yourself busy with hobby and activities, then always remember how gambling affect your life
Family support and religion become the primary help for addicted gambler since it's difficult to do it without any help of people around.
I have my neighbours but they have different fate , first one , the gambler finally recovered because their family was support him meanwhile the second was commit to suicide !