From The Telegraph:
Encouraging old people to talk about the war is good for their health, claim scientists.
Researchers have found that when the elderly sat around in groups discussing old times it improved their memory and limited the effects of dementia.
Reminiscence therapy, as it is technically known, could increase the cognitive recall and agility of the mind by up to 12 per cent in as little as six weeks, it was found.
Read more ....
My Comment: There is some truth to this (in some cases) .... but in some cases this is probably not. My father never liked to talk about his war experience, and the only time he opened up was when he was drunk with men who had also served on the Russian front.
Otherwise .... this was a no man's land for everyone else.