If something makes you sad when it ends, it must have been pretty wonderful when it was happening. If you step back and look at the whole picture, if you're brave enough to allow yourself the gift of a really wide perspective, if you do that, you'll see that the end is not sad, Rebecca. It's just the start of the next incredibly beautiful thing.
A novel that contain deep thingking and meanings turn to be a pure love movie. For the dark side, it just say a little words, and the only reason is that it's in the book. Despite of the novel, as a love movie, it is successful.