03/18/2010 05:12 am ET | Updated Nov 17, 2011

PBS' 'This Emotional Life': Elizabeth Gilbert: In Relationships, People Are Like Porcupines

The best-selling author Elizabeth Gilbert uses 19th Century German philosophy to explain the human "intimacy dance" - the need to be close, followed by the need to be separated. Why do we need relationships with others? Find out more about connecting with others at This Emotional Life.