If you simply tinker with a story, you run into the illusion of progress. You make a change. You undo that change. The anxiety of influence is almost a certainty.

>I made progress today because I decided that the timid character should be cocky
>I made progress today because I decided that the nice guy should be more of a jerk
>I made progress today because I changed the protagonist's signature look
>I made progress today because I changed the protagonist's signature look
>I made the progress today because the formerly timid, now cocky, character is canonically 100% timid and not cocky. AND WE ARE STICKING WITH THIS.
>I made progress today because I gave this character with a generic name a meaningful name with a greater ring to it

The thing to be done now is to put a freeze on all changes to decisions that have been made. If a character is unnamed, or doesn't have a signature look, etc., I can fill in the gaps. But I risk fatigue at this point if I go back and change, say, "Jason" to "Elias." My energy needs to go toward proactive writing.