I think some people are afraid of getting caught up in a long commitment. We need to learn how to break things down into small pieces that people can easily handle. It's worth taking a look at. Sometimes I feel like she's too isolated. I think we all need company.
Isolation is considered one of the most difficult aspects of caregiving.
Humans are social animals. Being able to interact with others is important for our well being. If someone can't get out, then invite people to see them - folks from church or some other community based organization. I know there are programs in which kids visit nursing homes. It's supposed to be a wonderful therapeutic time.