... the 4 do a lot of commiserating and mutual encouragement, while DHRGF does the real emotional heavy-lifting and support.
Sooner or later an OM will show up esp. now she's "separated". Don't fall for the "ally" part - its much weaker than the "commiserating". Your "tour of duty" (thanks to Dubbya and Saddam) probably was fertile ground for the seed to be planted in WAW's brain. I think all this DBing dulls the wits into hoping and giving them the benefit of doubt, etc. I bet you she has a plan all worked out in her head to play out the fantasy.