Forever 21 song!

Today i herd this song in the store and i can only remember parts of it but if you can help it could be great.

LYRICS
"I have hurt so many people i should be confined."
"Now im sitting her playing music for the world"

i dont know if those are the exact lyrics but they were something like that. It talked alot about hurting people. And maybe about how he acts like he hurt alot of people. PLEASE HELP!!

im so pissed beucasei work there and i know which song your talking about and i tryed loking it up but i cnt find it naywhere maybe its no t a popular song yet.