Past Perfect Tense

"People always think the past was simpler. But as far as I can tell, they still lied, cheated and killed each other back then too."
The Chemical Buddha couldn't figure out what the fascination with the past or the good ol’ days was about. Yes, things were simpler then. As in you had to take what you could get. Plagues from God could just wipe you out. Or people would torture you trying to get you to worship their God(s). People still killed each other. Did unspeakable things to children and the old. Cheated on their wives and most of the STDs we have today are from back then. No, now is best time to be alive. With designer drugs, internet porn, and you can be scarred for life without ever leaving the security of your four walls. People have always done this stuff and as far as The Chemical Buddha could tell, always would. Maybe not as a society or culture, but individually people will continue to hurt each other. So we might as well enjoy all of the comforts we have.
What part of your past do you cling to and what is the cost to you and your happiness?
Someone once said, "True forgiveness is not wishing for a better past." What one thing do you need to let go of to forgive yourself and others?