It's interesting that family and friends have suggested that you don't give up. In my case it's the opposite. I hear nothing since all I used to hear was to give up hope.
I'm not one to criticize you visiting MIL. I'm the same. I check up on her once in a while, although lately I also find myself detaching from her as well we H. Interesting isn't it?
M 42 H 39 T10 (-2yrs separation) S8 D5 DD 7/30/11 (EA&PA) Reconciled 6/2013 Separation in works 1/2017