The chorus can’t last forever.
The tour can’t last forever.
The group can’t last forever.
The summer of love can’t last forever.
While you’re in it, enjoying it, it’s hard to tell that you’re inside of something you’ll later wish could have lasted forever. And of course once you’re looking at it in retrospect it becomes something different all together.
But maybe, if you keep your eyes open, you can spot it in real time. It won’t mean you’ll be able to make it last longer, but you will be able to experience more of the richness.