Lyric discussion by sportsism 

I think this song covers the various stages of life very well. To me, the song progresses like this:

First, you're 15; you're "caught in between 10 and 20." You're not an adult, but you're certainly not a kid either. You're just dreaming about the girl/guy, and you just want to be with them

Then, you're 22. You've got your girl/guy, and you're going wild over them; "[you're] on fire, making [your] way back from Mars."

After that, you're 33. You're not just an individual - you've become a "we" because you've got a spouse and a developing family. Things are starting to change ("33 you're on your way" to me means that you're starting to realize that you're getting older; time is going by quicker).

And then, you're 45. You look back and see that so much of your life has already passed; you're crashing into a mid-life crisis. Again, things have changed.

And in what seems like the blink of an eye, 67 is gone. Your life is moving on; you're getting older even though you may not want to. You can't control it.

And then, you're 99. You're slipping away, and you're fifteen again in the sense that you're again dreaming about the girl/guy you want to be with - your spouse. But they're gone, they've passed on. And just like when you were 15, you just want to be with them.

The moral of this song, to me, is to live life to the fullest, to try to realize that time is going to fly by even if you have the desire to just be older. Treasure life, and enjoy every part of it, because it'll pass you in the blink of an eye.

Hi! I just wanted to say how much I like your thoughtful interpretation of this beautiful song. :) Peace, Shari in California

@sportsism Well said but the moral of every song is to live life to the fullest. It may not be the entire meaning behind each part of each song but when you think out each meaning to a song at some point this comes out.

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