Bottom line is that it is up to her. You have done as much as you can........and it is up to her. There are lots of folks that recover from similar/worse situations and clear all the wreckage, but it takes some internal motivation to move forward. Likely, bi-polar was a diagnosis before the drugs. It is typically not "drug induced". Lots of folks that are bi-polar, including myself do just fine. In the end, any diagnosis just a way to describe/treat behavior. We are all imperfect humans and in the end it is only the individual that will or will not find their way. I think you can be comfortable that you have done your part to help. You can be a cheerleader, but you can't play the game for someone. It only "seems" to work and then just for a very short time.