How to grieve someone who is still alive but has lost their mind? /u/sillydaydream No such thing as stupid questions

I don’t know how when I can talk to my twin and everything when she calls me from the hospital. But she is no longer herself, just a shell plagued by mental illness. How to grieve the loss of my twin

I don’t know how when I can talk to my twin and everything when she calls me from the hospital. But she is no longer herself, just a shell plagued by mental illness. How to grieve the loss of my twin