Every scene needs to turn. If the characters feel the same way at the start as at the end, particularly the POV character, what is the point of the scene?
A simple enough concept. You would think I had learnt that by now. Or about dissipating tension in a scene by having it go on too long. Guilty as charged. But can I figure out how to change? Where is going to make the most impact when you know in your heart a scene needs to be there.
Then there is muddled backstory. Simply, simplify.
Ah my old friends, the Crows of Doubt have to call. Always good to have them drop in at this point in the revision process.