Yes, I love LOST.
Yes, I loved the finale.
No, no one cares if you've never watched it.
But so far as last night goes, I've got a few friends that seem a little confused about the ending. Let me help...
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Everything that happened both on and off the island was real for the first five seasons. During season 6, the only thing that wasn't real was the sideways reality. After Hurley took over as protector and the plane left the island, they all went on to live their lives. Well, everyone except Jack, of course. After they all died, they created the other reality as a place to "meet up" so that they could move on together.
And it was pretty awesome.