Cats always made up to the people who hated them the most. Depending on how you chose to look at it, it was a touching manifestation of trust, or a malicious pleasure in human discomfort.
In the past members of my family on both my mother's and father's side have fought in the war, in the first and second World Wars. Unfortunately, they're dead and I wasn't able to speak to them, but that was in our family history too.