They say you write about one of two things:

Either the last day of summer,
when you're sitting at the edge of a cliff with your 3 best friends.
You're talking about the future and realize they're the only ones who had your back.
You watch the sunset and plan to take on the world together.

Or you can write about the day after that,
when you and your friends split up in 4 different ways.
You never speak to them again.
The only thing you have left is a bunch of strangers,
decorated in picture frames.