They will find out that they are addicted after experiencing a big change in their life and some people around them complain. But that doesn't stop them from gambling and instead will continue to gamble secretly. They can overcome the addiction if they really want to but it won't be easy for them because they are too late to realize it. But it would be better than nothing and they could overcome his gambling addiction with the support of those closest to them. Even after they recover from addiction, it will still be a long way for them to be able to continue to stay away from gambling, especially since they already know what the risks are if they return to gambling again.