Something good is worthy of fighting for. How could there be the happy ending after all the darkness and shadows? Without Sam, Frodo couldnot get far alone.
Let's be honest for a second : I don't think that I understood what the movie was about. I had a fragile grasp of most of the scenes, but adding them up doesn't make much sense to me. I did enjoy the poetry and the contemplative scenes though. I absolutely have to watch it again.