The second change involved the final scene of the film.
In the final scene of the movie, he is brought back to life.
The final scene is similar to the way in which the play began.
No matter how the story played in his mind, the final scene was the same.
The final scene is the two of them sitting in the park with their daughter.
Or, put another way, the final scene is the present; the first happened five years ago.
This is so particularly in the final scene of the film.
In the final scene, Paul is back on the front lines.
In the final scene of the movie, Miles is ten years old, and wants to go outside to play with his friends.
Sure enough, with about six minutes left in the final scene, that's what happened.