Is a relationship breakup harder on certain people? To address this question, the present study investigated the relationship of individuals’ attachment styles to various reported aspects of a relationship's dissolution: initiation of the breakup, emotional reactions to the breakup, reasons for the breakup, and experiences and perceptions following the breakup. One hundred nineteen undergraduates completed an extensive questionnaire concerning a past romantic relationship that had broken up. Feeney, Noller, and Hanrahan's (1994) Attachment Style Questionnaire (ASQ) provided continous measures for five attachment styles or “attitudes”: confidence, discomfort with closeness, need for approval, preoccupation with relationships, and relationships as secondary. Principal-components analyses served to derive criterion indexes from the breakup questionnarie measures, which were individually regressed on the five ASQ scales. As predicted form attachment theory, respondents scoring high on preoccupation w...