Good that the bank will lend you the cash. That is one problem off the list and one less headache.
Once the L's are involved, it seems sensible to let them deal with things if you're not on speaking terms. I would put your point about mediation in an email rather than a verbal exchange. Big question is all the email activity a thawing in relations or just a way of validating her activity with OM?
There is nothing stopping you going to RS on your own. I went for a session on my own when W backed out. It was OK and made me look at things slightly differently.
M 45 W 52 SD22 S9 D8 BD 6 April 2015 Not living together 4 Dec 2015