"Oh, I beg you, can I follow?
Oh, I ask you, Why not always?
Be the ocean, where I unravel
Be my only, be the water where I'm wading"

Yoochun is in love with Jaejoong since he can remember, and he's really devoted - but Jae pays no mind.
Yoochun is there for him when he broke with his boyfriends or have his heart played by others
Yoochun is there when he fights with his father
Yoochun is there when he fails in school, or gets bullied, and when he thinks he's  not pretty, smart, cool enough
Yoochun is always there hugging him and telling him he'll be okay, that he's not alone, and making the pain go away
But it hurts that Jaejoong calls him 'my best friend' and it tooks him a while to realize that he's deeply in love

"You're my river running high,
run deep, run wild"

Jaejoong's his addiction

"I, I follow, I follow you
Deep sea baby, I follow you
I, I follow, I follow you
Dark doom honey, I follow you"

Jaejoong's a rebel, a troublemaker, but it doesn't matter, even that Yoochun get physically hurt because of it, it doesn't matter - because he's with Jaejoongie.

"He's a message,
I'm the runner
He's the rebel,
I'm the daughter waiting for you
You're my river running high, 
run deep, run wild"

Even that Jaejoong doesn't seems strong he's really brave, there's no way to stop him - so he gets hurts and stand up to fight again
Yoochun is there to make the pain go away, 
to run to him
for him,
from him, because it hurts to be 'the best friend'

"I, I follow, I follow you
Deep sea baby, I follow you
I, I follow, I follow you
Dark doom honey, I follow you"

So Yoochun kiss him and kiss again
Jaejoong laughs 'I really needed it.. thank you'
Yoochun doesn't want to hear that
and this time he gets real mad
maybe he should run again
but he's so damn tired
and when Jaejoong is walking away, Yoochun is following him once more

"You're my river running high, run deep, run wild"

Jaejoong's his addiction

"I, I follow, I follow you
Deep sea baby, I follow you
I, I follow, I follow you
Dark doom honey, I follow you"

They were walking in circles because Jaejoong was
almost desperately
running to him, for him, from him
because it hurts loving that much
Yoochun was following him around without notice that Jaejoong was follow him too,
his dearest person
the one who was always there for him, hugging him, kissing him, saying he'll be okay and making the pain go away.