Your last ammo is to physically separate and for you to be happy on your own, and for her to truly experience living w/o you.
Don't take this the wrong way, but your W sounds like a pretty difficult person. Not easy-going. Think not only about getting the Big Green Egg, but think about meeting someone who appreciates you for who you are.
Watching your hurricane on my TV, while I'm in my own.
Me: 50, MLC/WW 45 Young kids Nov 2015: BD1 Apr 2016: BD2 Jan 2017: W filed Feb 2017: D final