In the field of clinical psychiatry, the increasing number of people diagnosed with borderline personality disorder (BPD) has become a crucial issue in recent years because patients with BPD, who exhibit suicidal or self-injurious behaviors due to difficulty in controlling feelings of abandonment, anxiety, and intense anger, are at high risk for completed suicide. The purpose of this paper is to discuss the relationship between the meaning of these affective actions and certain characteristics of late modern society, based on the narratives of people suffering from BPD. In the relevant medical discourse, their affective deviant actions have been attributed to a personality disorder that deviates markedly from the expectations of the existing culture. However, the narratives of people diagnos with BPD suggest that (1) they are not always suffering from BPD; (2) their actions are metaphors that represent relationships with their particular others. In other words, they have unsaid difficulty in particular human relationships; therefore, they may have to act metaphorically. To examine this phenomenon, discussions on plural habitus by Bernard Lahire provide clues. He asserts that there is a process of practical analogy in which past experiences embodied in the form of summaries of experience are mobilized in the present social situation. Thus, it seems that people suffering from BPD experience the unsaid difficulty of relating to particular others practically and appropriately within the relevant social context based on their plural habitus. Such difficulty, then, may lead them to engage in metaphorical practices to overcome it. However, such behavior reflects a broader social problem in late modern society (liquid modernity), in which human relationships have been changing, often drastically. That is, late modern society has imposed not only cognitive reflexivity on us but also reflexivity in the level of practical analogy about transpositions of habitus on our lived bodies.