I see hope in your wife's recent changes, but of course expectations cause problems, so I hesitate to give anything too much weight.
Hang in there.
Me: 44 H: 44 Kids: 20, 16, 16, and 10 Together/Married: 22 years H announced he was emotionally detached and considering D: 4/4/16 H announced he is going to try to stay and reconnect: 5/1/16