I find memory interesting. I see a lot of indication that different folks sorta have a different retention period. Granted we all sorta reset each night and only retain so much of what we keep in active memory but I feel like most people don't really retain much of things even 5 years back and even less can do 10 and less still 20 and less still 50 and further on your dead. This seems to be why our democracies can make the same mistakes again and again.