Ulcer And Weed How Can I Stop This, What Can I Do?

How can I stop this, What can I do? - ulcer and weed

My friend is to succumb to grass, is an addictive personality, his thoughts are not an addictive substance. He suffers from ulcers, back problems and depression. He said that the drug helps the pain away. I said that I was there, or the drugs, he told me to stop, but I caught the full force today. I told him I wanted to leave him alone in the coming days, and I had to think about your life, I fear that they will choose the brush. What can I do to make you stop drugs, what should I do?