"…Emily's tweet about episode 13 not being a series finale, a good cry…"
But in the same tweet Emily also said that 113 is a great, resolved ep.
So I'm guessing, the Heliza-fans will at least be rewarded with Henry telling her that he loves her; they kiss and commence a romantic relationship. Anything else would be a…

Your pet theory is a good explanation for a scene in ep 11, which didn't make sense.
In ep 9, Eliza has real reasons for breaking up with Freddy. Their relationship was a dead-end and she could only be real with Henry. So there was never the issue of her being scared of committing to a serious relationship, which she…