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Addiction is something that can be said to be a bad habit or an act that is done excessively. All addictions are the same, whether it's drug addiction or gambling addiction, they both harm ourselves and even the people around us. That's why every gambler should not gamble excessively and Doing this must be within well-controlled limits. I have never had a story about drug addiction, but if I am addicted to gambling, I happen to have many friends who are gamblers who are addicted to gambling.
The fact that you have many such friends makes you a knowledgeable person in this field. I, for instance, had known only two such persons. Their life was like hell back then. One of them literally couldn't think of anything but gambling. Even while watching a movie in a movie theatre he was thinking of various card combinations(he was a poker player at the time). At some point, he realized how miserable his life was and sought help from a professional psychiatrist who helped him to get rid of his addiction. Now, he's living a happy life with his two daughters and beautiful wife. Another guy was addicted to roulette but didn't seek professional help, and his situation ended quite badly.