I’m sure it has. It does help to talk to others in the same position. I hope you manage to connect to the group here tomorrow evening. If you click on “Support Groups” then you will see the full group schedule.
When you “got tough” you took the actions that were right for YOU. That makes them the right actions. He knows where support is, it’ll be up to him as to if/when he uses it. As Velvet has said, Compulsive gamblers are masters of manipulation and self justification. he feels ashamed? Clearly not ashamed enough to take the steps he needs to take to address things.
As I said, now it is important that you focus on the important person here – you.
I hope this helps.