When you say "help" you must mean that he wants to stop but can't. AA might be the best place to go.

If you mean you want him to stop but he doesn't., good luck with that.

I am an only child as well, but I never felt deprived by being the only one mostly because I have a lot of relatives who are not much older (and, now, also younger) than I am and was also given a lot of direct attention and things of my own. I felt deprived as … Read more

Perhaps instead of focusing on what you think you don't have, you can widen your focus.

You have the ability to get close to aunts, uncles, cousins, friends, etc. Who can help you fill what you believe you are missing. My siblings are scattered all over the country, so my son didn't grow up with his … Read more