DAE feel as though they're being completely fake?
About a year ago, I was diagnosed with Major Depressive Disorder (MDD) alongside my brother who was diagnosed with ADHD. Ever since then I started looking up symptoms and other signs of ADHD and found that I might have ADHD too, especially the inattentive part. Almost a few months later my psychiatrist confirmed that I have ADHD (inattentive). Then in one session my doctor mentioned borderline for the first time and said I show signs of BPD. He hasn't given me an official diagnosis of it but he's mentioned it twice before. I also have really long episodes of depersonalization at times and my doctor once mentioned that too and since I'm a psychology student, he told me to research on it. 
The problem is, I keep feeling as though none of what I have, what I think I have, or what my doctor says I might have, is real. I keep thinking that I'm only making it up for attention from my parents because they have always been more vigilant and alert over my brother. i keep feeling as though I'm faking all my mental issues because without one I dont have an identity, as if I am defined by my mental issue. i feel as though I'm making all this up because I want attention and because I can't define myself without a really bad mental disorder for a diagnosis. and I feel this way about everything that anyone has ever mentioned to me, from my depression to my girlfriend's issues. i feel as though I only want a diagnosis because I don't know who I am without one. what if im just faking everything, including my BPD because I want to feel like a wreck and want people to pay attention to me. what if im doing this because i dont know who I am without a disorder.