In the movie, Frankie and Maggie actually stop by that diner for lemon pie, and Frankie comments on wishing to buy that little diner someday. Also, near the end of the movie, Frankie makes Maggie read in "Gaelic", William Butler Yeats poem, "The Lake Isle of Innisfree", which is about retreating away to find your peace and escaping the world. In the end of the movie, Morgan Freeman's character said that Frankie left to a place "between nowhere and goodbye". Freeman (Eddie "Scrap Iron" Dupris) was suggesting that he hoped Frankie had finally found his inner peace that he was looking for, away from all the heartache. The ending scene of the diner was just to suggest to the viewers, that Frankie did go to find what he was really looking for, escaping from the protective facade of his boxing world life.