“…In the language of the Big Five, dominance is similar to extraversion shaded in the direction of warmth, whereas agreeableness is similar to warmth shaded in the direction of low dominance (DeYoung, Weisberg, Quilty, & Peterson, ; Fournier et al, ; McCrae Jr, ). Interpersonal behaviour dysregulation involves a chronic pattern of rigid, unstable, or non‐complementary interpersonal interactions that is associated with distress and/or dysfunction (Erickson & Newman, ; Erickson, Newman, Peterson, & Scarsella, ; Erickson, Newman, & Pincus, ; Roche, Pincus, Conroy, et al, ; Smith & Ruiz, ; Wright, Hopwood, & Simms, ). Behaviour dysregulation might include extreme and rigid behaviours, as exemplified by the psychopathic person who chronically takes advantage of others even when it provides her with little personal benefit, or extreme instability such as the vacillation between warmth and coldness characteristic of borderline personality.…”