FG - that's a completely honest and altruistic wish, why would it be too much?
It feels too much because ... of the way she is. I believe there are deep root causes for her being a WW/MLC now, and it's difficult to imagine her going to a healthy place, unless she somehow wakes up decides to seek some professional help (I'm talking about IC, not MC), which she has refused so far.
Me: 50, MLC/WW 45 Young kids Nov 2015: BD1 Apr 2016: BD2 Jan 2017: W filed Feb 2017: D final