How do they do it? While we may give a lot of flack to Hollywood's finest for the comparatively short shelf lives of their romantic relationships, we know that they face trials and tribulations in coupling that the average person does not. Not only does their partnership face constant scrutiny from the prying eyes of the press, but their jobs dictate they will spend a significant amount of time apart on film sets across the country and around the world. On-again, off-again couple Drew Barrymore and Justin Long allow their art to somewhat imitate their life in the upcoming romantic comedy 'Going the Distance,' about the difficulties of ... you've got it ... long distance relationships.