Oh I forgot to add in response to Slurpeez on soulmate, I know the writers did use the word for Cora and Rumple. They have used Kindred spirits for Emma and Neal. I know J.Mo has said kindred spirit with Hook, and maybe A&E have too, would not doubt it but I do not recall it. There is a lot of fan interpretation.
I do think we should not conclude soulmate means end-game based on the use for Corumple.
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“If I had a world of my own, everything would be nonsense. Nothing would be what it is, because everything would be what it isn't. And contrary wise, what is, it wouldn't be. And what it wouldn't be, it would. You see?” -- Lewis Carroll, Alice's Adventures in Wonderland & Through the Looking-Glass