I am so sorry. Its cruel, its humiliating, its in poor taste...its pathetic...and its NOT YOUR FAULT.
Yes, your W is behaving like a self-centered teenager right now, but I truly believe that confronting her will not help. Unfortunately, you have to look at the big picture of your marriage and family. Think about the INTACT M & family you would like to have in five years...and then apply those 37 rules like your life depends on it.
Hang in there!!! As for me, I'd take a book to bed and a nice cup of warm (soy)milk and read and/or DB.
Me: 35 Him: 43 Together: 19 1/2 years 1st Bomb (IDLYAM): March 2011 2nd Bomb (OW): April 2011 He abandons home/bills/everything: May 2011 He's bought a new house for OW: September 2011