Ok then it only got nicer because I'm pretty positive that she is not cutting all ties but instead just being more secretive by using a messenger rather than texting and is still friends with him on fb. She uses the excuse that she works with him not to sever everything but at this point I see that as a reason to continue unencumbered as you said.
I'm going to have to do some aggressive affair busting I think... I mean at what point does the BD discussion have to happen?