Nobody likes to be slapped with a diagnosis. As a child, around the age of 9 or 10, I was diagnosed a learning disability. I remember railing against it at the time, feeling very upset, since this meant feeling inherently "different", which no child likes to feel. Later in life, as an adult I had to come to terms with my depression. For years I was depressed but it was the growing feeling of futility and the thoughts of suicide that made me get help in the form of medication. Even now I still occasionally struggle with the abuse label since it makes me feel damaged and different from other people. However, in all three of these examples eventually accepting the diagnosis' or categorizations led to positive outcomes. As a child, my school work improved by accepting my learning disability and receiving the resulting support. This was also true during my post-secondary education. As an adult, finally getting on meds for my depression and dealing with my abuse issues in an honest fashion has and still is changing my life n remarkable ways. I realize accepting a diagnosis of borderline is hard since like you said it seems so opaque. I'm not saying you should accept it right off the bat but following receiving the right information I encourage you to do to some soul searching to see if it feels right for you. JS
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Love is better than anger. Hope is better than fear. Optimism is better than despair. So let us be loving, hopeful and optimistic. And we’ll change the world.