Lyric discussion by LittleFolkieGurl 

Its about doing drugs with your lover. The first kiss is literal and metaphorical of the first rush, the best high. I see the lines meaning cutting up lines for each other and also meaning the lines and boundaries you cross as the relationship with drugs and your partner declines. It gets scary sometimes in love and drugs and you try to draw lines to keep each other safe. Its a metaphor i think between getting high and the rush of love. The ending is the best . I think its the high of the song. It sounds all very heroin induced

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