Psychological Challenges 
Caregiving presents a myriad of psychological challenges for both the Caregiver and the person receiving care. Understanding that these challenges exist can help to a better understanding of how to deal with them. Some of the more common challenges are
Depression
Anxiety
Confusion
Anger
Denial
Avoidance
Role Reversal
Here are some resources for you:
Magical Thinking and Aging Parents - by David Solie