That was one of the reasons I left my ex. He refused to stop smoking and would smoke around me like it was no big deal, even though I was pregnant and very much anti-green, as he called it. It *****, but I would give him an ultimatum. Its the weed or you and the baby. My ex chose the weed, and I can only hope your husband chooses differently. I'm sorry you have to go through this, but keep your head up! It'll all work out one way or another.