Smoking pot does not constitute being clean, and NA is very clear on that.
Your boyfriend is not clean, and not in recovery.
He may attend meetings, but that in itself is not recovery.
What do you want for your life? This may be as good as it ever gets.
Addiction is progressive if left untreated.
Please check into Alanon or Naranon meetings in your area.
"Codependent No More" by Melody Beattie is a great starter book.
I'm so glad I finally reached the point where I am no longer attracted to men who feel the need to chemically alter their state of mind, regardless of the drug, including alcohol.
I hope you continue to post, and know that you are among friends.