In the amazing true story OUR FRIEND, Casey Affleck plays Matthew Teague, a writer who's family is turned upside down when his wife is diagnosed with Stage 4 cancer. In this 1on1, we speak to Affleck about whether or not the meaning of the term 'friend' has changed for him, what it means to portray a real life person onscreen and how his experience in the film may or may not have changed him as a person.