New research on romantic couples has found that individuals with more pronounced borderline personality features are more inclined to experience suspicious jealousy. In turn, This form of jealousy increases their likelihood of engaging in behaviors aimed at retaining their mate, both by providing benefits and inflicting costs. In other words, suspicious jealousy made these individuals both more likely to show affection and support their partner and to criticize, neglect, or abuse him/her. The study was published in Sexes. Borderline Personality Disorder (BPD) is characterized by a pervasive pa…