Petulant borderline personality disorder (BPD) is a potential subtype of BPD. It involves mood changes and irritability. There is debate over subtypes of BPD. Petulant BPD is one of the four subtypes ...
Idealization and devaluation often occur in people with borderline personality disorder (BPD). Splitting is when someone with BPD sees people in black-and-white terms, either all good or all bad.