d_Rose - you may get tired of hearing it, but your story is very familiar. Change a few details and it is very like mine.
Perhaps it's because of all the reading you've been doing or maybe it's just you, but you seem quite rational about the whole thing which is a major accomplishment in and of itself.
In my case my W also wanted "time and space to figure things out" - in the arms of OM. In some ways our "efforts" are similar too. Keep a stable home running, treat them with respect and courtesy and be honest and open.
I also know well the jealousy of the "life" they are leading. From the limited view I've had and from what I've read and from what truly insightful people like job have written, it's only a veneer over a very troubled individual. Still it hurts. The last time I was kissed was on the morning of April 18th 2016 but I can look at myself in the mirror and be proud of the man that I am. I am sure you can be proud of the woman looking back at you too.
So - welcome to the best place you never wanted to be. You are among friends.
On BD H52, W50 T27, M26 S21, D23 BD-9-Mar-16 D-15-Jan-18 Final-19-Apr-18 I am a storyteller. The story may do you no good. But a story is never for the listener. It is always for the one who tells