State you are concerned & you are available if he wants to talk about it more.

Sometimes you have to be patient with your patients. He may not be ready yet.

He returns 3 months later and says he has been thinking about things. His buddy just got arrested for DUI and it looks like he will lose his job since he needs to drive for his work.  He's wondering if he needs to think about cutting down.

You congratulate him on being open to consider the risks of his substance use. 

What do you do next?