Charles B. Pierce with Eastwood, who liked the story and helped Pierce develop it into "Sudden Impact" (1983), the fourth entry in Eastwood's Dirty Harry film series. Pierce was given a writer's credit for the story along with Joseph C. Stinson. Pierce is said to have written the phrase, "Go ahead, make my day," the film's most famous line, which went on to be identified as one of the ten best movie quotes of all-time by the American Film Institute. The phrase was inspired by something his father once told Pierce in his youth while encouraging his son to mow the lawn: "When
Go Ahead and Break My Heart concept for "Go Ahead and Break My Heart" was developed by both singers, and began with Shelton writing the first verse, followed by Stefani creating the second, which Shelton described: She and I sat down and wrote this song about some serious insecurities that we had when we first started down this road with each other, and we both had trust issues. We were getting over it, but we wrote this song about it. And it's perfect. I couldn't be happier about that song and the way it came about and the honest way ... It is like people getting