I watched the Lost finale again last night and I realized something at the end: even though the ending was sweet and we know that they all ended up where and how they should have in the afterlife, there is one question still remains,
WHAT THE FREAK WAS HAPPENING ON THE ISLAND? What was the purpose? Why did it need to be protected? What the heck was the stopper at the heart of the island for? WHAT ABOUT THE ISLAND?