I definitely get what you are talking about. Every now and then I just write and time passes and I have no idea what just happened. I handwrite everything first (old school, I know) and I can always look back and tell where I was writing with emotion and where I was just going with the flow. My penmanship becomes more frantic when you can tell I’m trying to stay with that feeling and write quickly, and I make plenty more mistakes. But the stuff that I write without emotion, when I’m just in “the zone” usually tends to be the stuff that sounds and works better.