Some love affairs can last a few days. Some last a few months, others a few years. But true love stands the test of time: It can carry on through five movies and 18 years. For "Dirty" Harry Callahan (Clint Eastwood), his true love has always been his gun, the Smith & Wesson Magnum .44. Their long romance has had many stages, just like in any other relationship. Here are five major milestones in the long marriage between Dirty Harry and his Magnum because at the end of the day, he always has some loving words for his gun.

Dirty Harry, 1971. © Warner Bros. Courtesy of the Everett Collection