As usual you get it wrong.
Not guilty means not PROVEN. Nothing else.
And that is the point. You got to it. Thank you. After that you are left with any theory you can mentally come up with. And you were the one that came up with the best motive. At least it was logical what you said and I could understand it. Going out to party was a joke. But it also could have been George trying to shut her up. So whats a jury to do?