Lyric discussion by jefferyd431 

Cover art for Genesis 3:23 lyrics by Mountain Goats, The

Seems to be about a person who has had either a familial falling out or, given the bible passage referenced in the title, someone who has fallen from grace in a spiritual sense and is trying to reclaim their soul. This echoes Adam's banishment from the Garden of Eden, and explains why this person is breaking the lock on "their own garden gate." Either way, this person is trying to recapture something they lost.