My 14 year old brother has bipolar disorder, post traumatic stress disorder, fetal alchol syndrome, and oppositional difiance disorder. He and i were severely abused by my biological mother for many years, and all of the non-genetic disorders are results of the abuse. My biological mother also had many mental disorders, including the bipolar, which she passed on to him. I managed to escape the situtation with only bad memories and bruises. Why does he have so many problems and i have none? I am not saying that i want any of them, just wondering how i managed to not get them.
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We have since been adopted and our entire family is in therapy. The therapist says that i have moved past my issues and have "healed", but because of my brother we are still in therapy.
Bipolar disorder? 
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