Image: Gwyneth Paltrow and Chris Martin attend the 3rd annual Sean Penn & Friends HELP HAITI HOME Gala on January 11, 2014 in Beverly Hills, California. (Photo by Kevin Mazur/Getty Images for J/P Haitian Relief Organization)..
图片：格温妮丝·帕特洛和克里斯马丁于2014年1月11日在贝弗利山庄，加利福尼亚参加了第三年度的西恩·潘和朋友们帮助海地家庭联欢晚会。（照片由Kevin Mazur /盖蒂图片社为J/P海地救援组织）。
Why do we sometimes stay friends with ex-partners? There may be many reasons, but according to a new paper in Personality and Individual Differences they fall into seven main categories – and men and women don’t quite see eye-to-eye on them. The research also found that certain personality traits were related to motivations for staying friends after a break-up.
Justin Mogilski and Lisa Welling at Oakland University, US, asked a group of 348 volunteers to think of as many reasons as possible for why two former partners might want to remain friends. This resulted in a 153-item list..
为什么两个前伴侣还有可能希望保持友谊？美国奥克兰大学的Justin Mogilski和Lisa Welling要求一群348名志愿者为此考虑尽可能多的原因，结果他们得到了153个项目清单。
A second group of hundreds more people – all of whom who had gone through at least one break-up (and were overwhelmingly exclusively heterosexual) – rated the importance of each item on a scale of 1 – 5. Then they completed personality questionnaires, including one tapping features of pathological personality, such as the tendency to experience negative emotions, antagonism (aggression and grandiosity), and sensation-seeking..
From the ratings, Mogilski and Welling identified seven main categories of reason for wanting to stay friends with an ex:.