Looking Back Can Be Good
Depending on what you are looking.
Sometimes, you feel you don't have any progress in life.
However, when you look back to old pictures you can see that your past self don't have so many things that you have now. It might be the laptop you are using now, the toys your kid have, the skills you gained,
Many things that your past self can only dream of is now is your hands. That calls for gratitude and using what you have wisely.