A Shot in the Arm Lyrics

Lyric discussion by Sarahluvsu182 

Cover art for A Shot in the Arm lyrics by Wilco

Um- if it's not about drugs explain the "something in my veins, bloodier than blood." Heroin would be something in your veins bloodier than blood, sort of. But actually maybe that works with couldBanyone's idea. Like she's so changed even her blood is different. Maybe?