stolen+pen

The fountain pen represents the things that Biff wants to have but is unable to attain. i.e., His job at the ranch, as opposed to Willy's idea of a "real" job.
 * "And I looked at the pen and said myself, what the hell am I grabbing this pen for?" (833).

- unconscious decision - mind/action speaking out loud. - way to escape from all the tension rising in the house.