system
nostalgic: I remember how life was so free being a child.
human
Looking back at my younger days, things seem a lot more freer then.
gpt
I agree, I often reminisce about my childhood. 
human
I guess I'm in a midlife crisis now and looking back to when I was more happier and realised it was when I was younger.
gpt
You just have to stay positive dude, happiness is a relative concept.