Not everyone's suited to do personal care, but you can still contribute to the person's life in your own way. There are so many ways to help; for example, you might help financially or offer the primary caregiver some time off.
Excerpt from the video: "Our philosophy is that the caregiver is just as important as the patient because if anything happens to the caregiver, everyone's in trouble. This video is intended as a learning tool and not as replacement for professional consultation."