So i sent my wife a message almost verbatim to what AnotherStander suggested:
"Hi Wife,
I just read your email. I don't check this address very often, and this is one of the reasons for the late reply.
"Wife, you sound angry and frustrated, I'm sorry if you feel that way. I would prefer that we stay together and work on our relationship, but I do want you to be happy and if you feel that you *must* leave to be happy then I support you in your decision. But to reaffirm what i said, i would prefer that you did not leave.
Prometheus"
I have not received a response yet. My wife mentioned to me last week that she had had a tenancy application rejected. That is the only thing i have heard. Otherwise, W seems to be affecting a changeable hostile/cold/dismissive/annoyed/resentful/ demeanour whenever we interact - which is not often. For my own part, i have been the "friendly neighbour", but have tried to be mostly detached, focussed on the kids, my own life, etc.
Although i have badly wanted to defend myself on occasion, i have managed to resist. Now i am feeling in limbo to a degree, waiting for my wife to tell me that she has found a place and is moving out with the children. I am fully expecting this to happen and realise that i have no control/power over any of that. I am feeling a bit dead and empty inside. I find it hard to make plans in these circumstances (well, in most circumstances if the truth be told).
Me: 49 W: 47 M: 19 T: 25 Son:19 Dau:13 Son:6 BD: Aug: 2012 Separated - same house: May, 2013 Ultimatum to move out: Dec 2013 W looking to move out: January 2014 Dau says go, I move out: June 2014