We need to exercise patience when taking care of an aged person. So, its always advisable to put our feet into their shoes to understand them better. My grandma always like sharing historical happenings within and outside our geographic location and she would expect to you to flow with her and most times you end up sending quality time listening to her stories. Most if the feel disturbed when they can't find anyone to interact with and they feel so excited when you spend quality time with them chatting.
Best of luck bro