Hi tentoedsloth, sorry to hear you are suffering from bipolar disorder abbreviated BD
(BPD is borderline personality disorder).

Here are some articles about symptoms of BD:
Bipolar Disorder Symptoms | Psych Central

see the lists of manic phase symptoms and depressive phase symptoms. this may explain why you go from social to antisocial
Symptoms of Bipolar Disorder (Manic Depression) | Psych Central

Phases and Symptoms of Bipolar Disorder | Psych Central