Sweet Lil Gal (23rd/1st) Lyrics

Lyric discussion by xo_lizily 

Cover art for Sweet Lil Gal (23rd/1st) lyrics by Ryan Adams

When i hear the "23rd and 1st" line, it makes me think of a streetcorner in a city. I feel like the singer is talking to the "sweet lil gal" about her sister--the one who makes him feel nice when he's lonely...maybe?