Lyric discussion by moodyzeppelin12 

no one really addresses the "Paint it Black" reference. "Paint it Black" is a song about a guy whose girlfriend dies and how that sends him into a deep depression. the line "tell him what we said bout 'Paint it Black'" confounded me for a while, but i think i get it now. i can imagine the two adolescents getting really melodramatic about their love and the boy saying that he'd react the same way if the girl died, and that that's how much they mean to each other. while conveying this to the dad via the song might not be the best choice, it shows how simple and naive they are, and it also reemphasizes that they are as in love with music and rock and roll as they are with each other. so amazing.

this brought tears to my eyes in the best way

That makes a lot of sense, I never quite got that, either. Referencing the song title is odd but the singer is referencing it because it is an inside reference that his girls gets.

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