Missing Pieces

I find myself lamenting the loss of parts of my wife. There are certain things that are simply missing now. Specifically, I miss the long conversations about philosophy. She used to be so eloquent and was amazing with her wordplay. However, the aphasia has taken that part of her away from us.
​She used to sing all the time. Now, she might hum along with a song on the radio, but there isn't much singing anymore.
Although I certainly have no issue with it, and I even enjoy it most times, we sit silently near each other.
When she speaks, the words simply escape her. I've grown used to it by now, but watching her struggle for words breaks my heart. And it happens all day, every day. She wants me to avoid finishing her sentences for her, so, even when I know exactly what she wants to say, I stand by without speaking.