I know she hurts over it, but she won't say anything. She's lived with me since my dad got sick with Alzheimer's, they both did. My dad passed away 2 1/2 years ago. They were each other's world, together 56 years. Her sadness is so hard to watch, and I feel guilty that I can't do anything to make her feel any better. I've developed such a resentment toward my siblings because of their "duty visits" which are never more than half an hour, every week or so (except one brother, who stays longer) and disdain for them because of their selfishness. I love her so much and I don't understand why they don't want to spend time with her. How do I deal with this?