A patient with a history of recurrent hospital admissions triggered by abandonment is admitted after self-inflicting a severe cut on her arm due to anger over her psychiatrist's going on vacation. She reports episodic, intense depression and initially mentioned auditory hallucinations, which she later denied. The patient's behavior in the unit is contentious, with conflicting reports from the psychiatry resident and nursing staff about her compliance and engagement in therapy, highlighting issues with adherence to unit rules and participation in group activities. Key diagnostic features include self-harm, intense episodes of depression, abandonment issues, transient auditory hallucinations, and inconsistent behavior in a therapeutic setting. What are 3 differential diagnoses for this patient? What is the primary diagnosis for the patient? Defend your choices.