If you're experiencing intense emotional adjustments, a week can seem like months, and detaching is just something you talk about.
From my own experience, you're better off setting boundaries, calling any BS (in a non-@sshole way), and then telling yourself the truth: "This is not how somebody who loves you acts, and what you really want is her/him to love you, but they don't right now, and they may never love you again, and that just isn't what you want".
Once you accept that, I think things flow more easily. No jumping through hoops to impress the WAS, no futile attempts at initiating reconnections, no self-deception.
Let go because they don't love you, and then be open minded about whatever may follow but knowing you don't want somebody back who doesn't really love you.
M-47,W-40,No kids D-filed 5/27/2010 Piecing - 10/21/2010 -=Soon to be banned=-