Others tend to be the other way... just harping on how 'bad' things were, how cruel the world is... and they keep on continuing on that too.
Now, it's true the past made us who we are today... However, the past is the past. Yes, simply as that.
And what matters now is the 'present' - today. For that will shape our future... a limitless future.
So let's let go of the past and start afresh.. leaving those heartaches & bitterness behind (but keeping those wonderful memories), and keep moving forward.