I've just had a revelation, (sorry if it's already so obvious to everyone and been mentioned before!). Ethan called himself Ethan Goodspeed, using his Father's surname, so confirming that Horace was his Father. But if the incident changed things so that our Losties didn't go back to 74, then they wouldn't have saved Amy from being shot....

Damn, I just checked Ethan's theories page and there is a long list debating this already....and I thought I was being clever!

Enjoy the next episode all you lucky people across the pond, see you on Friday!

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