Wife no longer in love with me - Part 2

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So I had my session with the DB coach today. Not sure how to interpret or activate what he said.
Basically he wants me to initiate a contact with my W, and encourage her to walk away by coming and getting her stuff from the house or me dropping it off to her. And during that process i acknowledge what she has been saying with regards to how I was and how I treated her, and say that I dont blame her for doing what she's doing and I understand the hurt and pain I inflicted.
I guess I have nothing to lose given the position I'm in, but I feel like I'm encouraging her to walk away and I hate the thought of her cleaning out our house, it just seems so final.
But as he said, I am on borrowed time. She will move back to the States in a few months, so I don't have much opportunity to turn this around.
Every time we've spoken its always gone so bad and I tell her she's making a mistake and we need to fix this, so I just feel it would go this way again.
Don't know what to do now, or whether I just stay away and 'dark'
He spoke about "dropping rope". How effective is this and what are the implications and actions?