Yeh that pit can make you do dumb things. Don't even think about begging. It's going to be counter productive. Thinking about it her language is manipulative for sure. DBing is fighting for our marriage indirectly, but it is about saving ourselves. She left you and so she's the one who didn't fight for it IMHO.
Sit tight. Let some others chime in. Go see a movie. Get your head out of it.