Lyric discussion by nicolenightmare 

Cover art for Blame Me lyrics by Dropping Daylight

sounds to me like he was being used in a relationship. like someone for his girlfriend to take out her anger on.

"Ever since we started You were looking for someone to carry you But ever since you were hurt You’ve been looking for someone you could hurt, too"

sort of like a security blanket for his girlfriend.

but idk. just what i think. great song by the way.