This reminds of a Radiolab episode about how we perceive the passage of time. The episode starts off talking about someone having a poster showing all of the (average) weeks in a person's life. The episode is about how to make our lives _feel_ longer than they really are. You know how sometimes you are like "damn this day is going by real slow" and sometimes it's the exact opposite. The episode is about why that happens
https://radiolab.org/podcast/secret-long-life