Rose made very good insightful observation and she’s likely right about what’s going to happen. There are likely no other options but these two. Just don’t forget that if he makes such degrading comments to you it effects your children (they always know). They likely will perpetuate dysfunction by marrying people like your husband or treating someone like your husband does. Or even worse as they might become addicts themselves. The cycle will continue. And this situation could be look at as a woman doing honorable thing by staying by her husband in the bad situation. But it could also looked at as a woman values having a man above everything else, even her children. I get the marital vows. We don’t do vows when we have kids but we are responsible in providing them with healthy home life and minimal dysfunction. You have some choices to make

As about selling art it’s very doable. Much better than not working. What art is he making?