Near the end of my mother's endless relapses and hospitilizations I got physically
ill at the thought of going to the hospital and dealing with her blaming and issues
and complaints and guilt.
I stopped going and would call the nurses station to check on her.
Take care of yourself, especially if you've been the one on the front line most of the time
due to geography. That was what happened to me too.
Send the card if you need to.