FinallyFree, one of the most glaring facts about Bipolar Disorder is that is typically NOT the only diagnosis possible. Most individuals with BPD also have other personality disorders.
What the diagnosis is doesn't alter the individual's toxicity to others, whether they are spouses, children, coworkers, friends, and extended family.
For more information on this, visit http://www.180rule.com.
This is a dreadful situation to emerge from and I've been married and divorced 2 very disordered people. The process of victim recovery is very, very challenging and you can visit my CureZone blog, "Coping With Betrayal," to read about my personal experiences. Not pleasant reading, but truthful.
Best wishes to you and you're not alone in your recovery.