Only your family member have a care to you, they will help you to cope up in your situatuon and also they are the one who understands what you're dealing with. Maybe there's a few friends who can talk you and give you an advice but limited only, Not all your friends can support you, sometimes they are the one who judge you and wish you not to overcome your addiction. For me, It's better to open your concerns and problems to your most trusted person who can really understand you and willing to help you, also Believe in yourself that you will be better.
If a gambling addict or person who frequently gambles can have family members who care about him, he can cure his gambling addiction or reduce his gambling activities. His family members will know about his gambling activities and will help him get out of his problem so that he will not get too deep into gambling. Those who understand the problem well will help find a solution before it's too late because they don't want to lose themselves and have started to get too deep into gambling. They also didn't say bad things about him but instead provided support for him so he could cure his gambling addiction.