"Remember when we didn't know as much and we were happier" my man that's just childhood. You are remembering being a child. You associate the past with simplicity because the passage of time smoothed the edges of memory and your brain was like cake batter 3 minutes into baking

Probably no one thinks of LET'S GO TO PRISON but there is a scene where Will Arnett's bewildered yuppie finally gets thrown into a cell with seasoned jailbird Dax Shepard and then they say this:

This is it, man. What you're feeling right now: this is the thick of the action of being an alive person in a civilization. This is what it has always been.