The Things We Won't Let Settle But Let Set

Even at 6 years old we have a sense of the things that we 
left in the past,
and even Empirical science can't explain how the dust seems
 to fall like magic.
Old...
We're told...
It's old.

How can you get on, while thinking all along, "We were 
wrong, it's just a song."?
Well then, it's just a song.
But if we all were wrong, if this is just a song.
If you say "This can't last.", then this can't last. Then 
this can't last!

But do you still sing your heart out?
Cause you know those words by heart now.

First a glance, then a smile. We knew all the while
but were still amazed to find such a common space.
Then, marked by English light we'd be up all night and THIS
 FEELS RIGHT.

So do you still sing your heart out?
Cause you know those words by heart now.

Have we ever felt this way before?
Like the things we've weathered such might decay to 
something more,
Like the freshness, excitement might somehow give way to 
something like wisdom or truth.
It's the things we won't let settle but let set.
And "The best books of our lives haven't been written yet."