I find that old people get really cranky when they turn old. The stereotype of the ornery octogenarian is dead on. I dont get it. Why do people who were reasonable for 70 years suddenly become ornery and difficult when they approach or pass 70 years old?
Years ago I noticed that in most pix of senior citizens they had a scowl face. After thinking about it for a while and getting well into my 60s and heading for the 70s, I concluded that they are probably in pain a lot of the time.
I know I frequently have a 'new' pain. Sometimes it sticks around for several days or weeks and other times it goes away by the next day.
Meds don't always work.