Dear John- film review

This film is one of my favorite film, I've see it a lot of times but although I could look it a thousand times more because I love this film. It's talks about John and Savanah two young people who meet by accident. They met on the beach in Florida, and from that moment begins a friendship. At the begging they were only friends but with the time they fall in love and they star a relationship, but the problem was that John works in the armed, and he had to go to the war. They began to write letters because they they bearly ever saw each other, and they missed each other a lot. But with the time John and Savanah start to reorganized their life and began to forget each other. John stay in the armed, and Savanah married with other guy. Finally john back home, and he decided to go see Savanah and when he saw that Savanah has married and she had changes her life, he became so sad, but with the time all changes again, because Savanah lose her husband and she and John try to get back to the relationship that they had years ago.