I think it depends on where you are in life. If your life is good and you feel safe and happy, then looking back can be a nice way to remember your childhood, and possibly rediscover things about yourself you had forgotten. If your life is difficult and you’re not feeling great, looking back at better times can be a painful reminder of things not going the way you’d like. But our lives ebb and flow, and there may be a time where you feel like looking back.
Or, to quote Watchmen, "I'm 65 years old. Everyday the future looks a little bit darker. But the past, even the grimy parts of it, well, it just keeps on getting brighter all the time."
