You don't want to play the victim in your interactions with W.
What will a confrontation with W today just before leaving the States accomplish? If it's for the 'feel good' factor, then go for it. But what then? Exactly. I am not a supporter of a confrontation before leaving for a long-term trip. That is just me.
However, I do think it is important for you to respond to W's request for D by using the script above before you leave. You're not agreeing to a D, but work with her on it. However, it's imperative that W does the leg work by getting the paperwork together and present/send it to you.
