Suburban Girl (movie, 2007)

Publishing assistant Brett Eisenberg wants to be a big-time editor. However, she lacks self-confidence, a problem that isn't helped by her new, overbearing boss. Brett soon enters into a relationship with Archie, an older man who has plenty of his own issues, including alcoholism, diabetes and a difficult relationship with his daughter. Intent on helping Archie get past his problems, she turns to her dying father for advice.