Answer:
Borderline personality disorder
Explanation:
Borderline personality disorder is a personality disorder. It is a psychological condition. It starts in early adulthood. The problems come in young adulthood but gradually overcome the symptoms of borderline personality disorder in late adulthood.
There are symptoms of borderline personality disorder:
Thus here Bonnie feels unstable and irritable and unpredictable. Bonnie was diagnosed with borderline personality disorder.