The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes but you don't change at all. And that of course causes great confusion.
Movies these days have made killers into funny people. What's that all about? I've got kids and family and friends and I don't like bad things. I don't think they're funny and it's irresponsible to make movies that don't show you how that's not good.