(So it kinda reminds me a bit of the Cars... That might just be me...)

Anyways it's the perfect epilogue-type thing to close out American Idiot, and also a perfect melancholy/upbeat and catchy.

It's basically a song about that feel when you miss someone from your past  unconsciously and you keep "seeing" them everywhere (obviously it's more specific if you consider the story of the album but eh you get the gist)

The number of times this song has gotten stuck in my head... *sighs and shakes head fondly*

P.S. That moment when an album from thirteen years ago is more relevant today than when it came out