ok, many are perplexed by Claire being in Jacob's cabin, I am really beginning to think that Jack is Jacob. Which is why Christian and Claire would be in his cabin. He knows the future, and Claire has been informed now, so she's fine with Kate taking Aaron to safety. Claire is supposedly not dead, but we will see.
I am still anxious to find out who adam and eve were from season 1 (the bodies they found in the caves, one was holding a black stone, the other an white stone), many have guessed it may be Penny and Des or Miles and Charolette. I hope they do offer some kind of closure on that one.