Originally Posted by
DesertEyes 
I had to deal with all the grief of losing who she used to be, along with trying to accept who she had become
Yep! Every so often we'll hear this referred to a grieving process.
That's exactly what it is.
Originally Posted by manicpanic15
Now I look at him, all glassy-eyed and dazed out and feel like I'm in a zombie thriller movie where my husband got inflicted but I managed to escape.
Always made me think of Invasion of the Body Snatchers.