I understand it takes time to process. It is hard to give up something that’s been part of your life for so long. Many compulsive gamblers have gambled sensibly for years before THE big win (or the 9% return in a month in your case). It’s always the big win that gets us hooked, and unfortunately there is no way back from there. It’s amazing how “easy” it feels when you’re winning.
The biggest misconception people have about gambling addiction is that it is about money. It isn’t. This is a disease that affects the brain, with loss of money being a side effect. Money can affect the progression of the disease; big wins are the worst thing that can happen to a prospective gambling addict. Ultimately this is a disease of decreased ability to regulate your own actions and all of that occurs in the brain.