Today WAS has changed tactics. The anger has been suppressed and she's instead engaged in phony and/or exaggerated "niceness". I'd almost prefer the anger!
She's obviously trying to manipulate you, so there's no reason to treat her any different. Polite, calm detachment.
Me: 44, Wife: 39 M: 17 years T: 20 years Bomb on 08/25/09 1/13/10: MC started 1/28/10, 2/8/10: More bombs 8/28/10: Wife moved out No talk of D, no movement