I don't think people vary about the feelings of I do something for you and then you don't you don't do something for me.

在以下情形中，人们的感觉都是一样的,我帮了你,但你却不帮回我。

耶鲁公开课 - 心理学导论课程节选

They feel different, people treat them different.

减肥成功后他们自身感觉不一样了，人们看待他们的眼光也不一样。

耶鲁公开课 - 死亡课程节选