Aw, Paul, that's so sweet of you to say. Don't know what's come over me today, for some reason? I just can't stop typing and wanting to share my goofy thoughts.
Reading back through my list of sad movies, it occurs to me that a common theme definitely resonates, and that is one of losing the love of your life, either through death, disappointment, or disappearance.
Ouch, I'm going to have to ponder that one for a while...