The bad thing is that even if you quit, your still not out of the woods. My nextdoor neighbor growing up was like a grandfather to me. He had quit for a long time, 40 or 50 years, and it still got him.

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Neither am I the means to any end others may wish to accomplish. I am not a tool for their use. I am not a servant of their needs. I am not a bandage for their wounds. I am not a sacrifice on their altars. ... I owe nothing to my brothers, nor do I gather debts from them. I ask no one to live for me, nor do I live for others. I covet no mans soul, nor is my soul theirs to covet.

Ayn Rand, Anthem.