Which is the personality disorder is characterized by one being unnecessarily dramatic and always negative?

Histrionic PD w/: A sub-type of the histrionic personality that millon calls "tempestuous" - it includes: being impulsive, out of control; with moody complaints, sulking; precipitous emotion, stormy, impassioned, easily wrought-up, periodically inflamed, turbulent. Not easy to live with for the person or those close. Take care. Therapy might help if you are really motivated and find a good person. Best!