Lyric discussion by snow.patroler 

I love this song. I cannot believe only two people commented on it! The second I heard it on grey's anatomy i was hooked. it has a catchy beat and good lyrics. i think the meaning is quite obvious. he is addicted to a girl-hence the word drug-who has a quick temper. she has a tough edge, but he seems to know the real her, which is the girl he loves and it obsessed with.

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