I would think that after reflection on his conversation with you at a later time, he may come to the realization that his response to your declaration was immature, insensitive, and juvenile. I have found with almost 2 years sober, that if folks like this cant share your appreciation for living healthy, than I have no time to waste on a relationship with them. Everyone has issues, ours just happens to be alcohol. If they aren't self-aware enough to recognize this fact, than I wouldn't think twice about leaving them behind.