Alzheimer's disease caregiver need advise.?

Hi, I am just about to start a job next month as a Dietary Manager we will be primarily be housing alzheimer's patients. Both my Grandparents died of the disease, but I was curious as if anyone has any advise of story's of good or bad time and how you handled the situation or any advise at all would be helpful. I have gotten some books for carecaregivers they seem to give me a little insiin site I just wanted some real life advise. Thanks