The poster who called it a gentle parting could be right.
Maybe that's what you (both?) really want?
If you haven't discussed separation, maybe you should, sadly.
You always knew he wanted to move but have been stalling for years - I think now it's his time. He had been patient (if grumpy) so if you don't love him enough to make the seaside your primary home and just have a pied à terre where you live now, I wonder if the bonds are strong enough.
Not expecting you to answer this Envelope - just think about it. 
Venezuela earthquakes, is £2million all the UK can afford to send for the relief effort?
Govt announces Ukrainian style scheme to bring thousands more migrants to UK
