100%, had a lot of friends who destroyed their lives because of gambling addiction. Unfortunately, no matter how much help they tried to get, they still ended up in the same life.
An addicted gambler can't change what he used to if he is not helping himself and not willing to do so. It's not easy to overcome the addiction that's why it is crucial that the gambler itself is determine to stop this habit (aside from the help of others).
Family and relatives are indeed affected if one of the member ended up as an addicted. The humiliation and emotional trauma are there. The reason why we should not only think of ourselves when we gamble since we have a family that will be greatly affected when something happened to us.
There are some gamblers who can't prevent them in gambling addiction even if they want and there are some who don't want and don't even realize they are addicted. Those who understand can eventually get rid of addiction if they try hard. But I will also say that this task is not very easy. Nowadays gamblers keep their gambling information completely secret so if he is an addicted gambler no one else knows about his addiction. As a result, there is no way to help him. Only if no initiative is taken on his oneself, he will never get rid of that addiction very easily.
The behavior of addicted gamblers is not always the same. So many people including their relatives are likely to have various problems due to them. Due to which, if addicted to gambling, not only the gambler himself but also affects others.