My wife has dementia and sometimes she doesn't recognize me and I grieve her while she's still alive but I feel selfish for mourning someone who's sitting right there.
More people experience this than they realize.
Anticipatory loss creates a complex mourning for the person who was while caring for the person who remains.
“Where Are You with Grief, Loss & Life Rebuilding?”
If this sounds familiar, the Library can help you find the bigger picture.