A 28-year-old individual reports a long-standing pattern of intense, unstable interpersonal relationships, alternating between idealizing and devaluing others. They describe chronic feelings of emptiness, significant mood instability, and a frantic fear of being abandoned. They also engage in impulsive behaviors, such as reckless spending and binge eating, particularly when feeling distressed. Based on an analysis of the individual's pervasive behavioral patterns, which category of personality disorders best accounts for this presentation?