The old man often talk about the past, we can not persuade, sometimes the more persuade the worse, how to do?

Most old people are like this, they love to remember the past, this is very normal, it is best not to discourage, discourage will appear to the younger generation impatient do not like to listen to, let the old man instead of sad. If you can, walk with the old man, let the old man have something to do distraction, focus on other places, which can properly reduce the old man is always reminiscent of the past on