Intellectualizing won't help. We're all too intelligent. The problem is dealing with life without a substance. I never did heroin, but I loved cocaine. Today boredom is my mind and body not living.
Boredom doesn't exist.
Try staying stopped. See a doctor. From what I understand, heroin is a physical addiction, you'll need medical help, in my opinion.
We're here for you! (sorry, phone keyboard is messing with me again)