I doubt anyone here is a BPD.
Well anyone thats a true Wizard™ at least as BPD's literally need to be in relationshits (and are very adept at being able to acquire them).
They also fear being alone like nothing else as part of their pathology whereas Wizard's thrive on solitude.
Most likely your psyche doc got your analysis wrong.
Depression, bipolar disorder, perhaps some narcissism/megalomania and or avoidant personality disorder are moreso the realm of the Wizard than BPD.
Schizoid personality disorder too I think (as a pro Wizard disorder) but its been a while since I looked up what that is so take this with a grain of salt.