My dad passed away last April after several years of Alzheimer's dementia. Mom was his primary caregiver and until near the end would not accept assistance. Now she sits alone everyday, refuses to do anything like go for a ride, get her hair cut, go to lunch, grocery shop, cook, visit ... Refuses every attempt by family or friends to do anything with her. She does tell me but not my siblings that she doesn't understand why she is still alive ... She is done. Her physical health ... Statistics are perfect ... Except she sits for days on end and declares that she is too weak to even walk around the house. What can I do to encourage her to return to living?