High five! I'm in the same boat.
I kept it a secret for years that we were together.. and now that I moved out, people were inquiring. So.. I told them. AH has substace abuse issues. He's an addict. He's now in a 12 step program.
I myself got tired of feeling like the guilty one who had the problem. Telling people also keeps me in check. If I were to lie.. It would be me pretending again.