Oh I never said it was impossible... just that it ain't easy.
I'm reminded of a cartoon I saw one time. A man was sitting at his office desk, nervously chewing up a throw rug or a piece of carpet. The caption says, "Mr. Wilson is now on his third day without a single cigarette."
Y'all still being together is a good sign. If you haven't had any major fights yet, with him going through this, you'll probably stick together through anything.