Novel maze

I've never had a novel come up on its finish with so many possible ways it could go. This is still amazing me. It's been pretty much straight-line the whole way, and then WHAM! I hit the delta and a hundred river branchings. And each of those has branches. It's a maze of possibilities. I've tried to stop thinking about it, but it still astounds me that I have so many different ways the story could go. Usually there's only one logical outcome. Everything leads up to that. Wild.