Finding an Ending

I truly don’t understand why I am having trouble with the ending for the second book. It’s as if there is an invisible bubble and anything I write is simply deflected away from it.

I want to finish it. There’s more work to be done and my brain pops ahead to it and then I think, “but I can’t do anything about that yet, you’re still on Chapter 17 of the revision, remember?” I think I have literally written at least five different endings. One was 700 pages long, and is now sitting in a ‘cut scen...