Meaning of "The First Train Headin' South" by Johnny Horton

The lyrics of "The First Train Headin' South" tell the story of a man who is surprised by the depth of his lover's affection when he receives a letter from her. Despite the various scenarios in different states described in the song, the narrator's reaction remains the same: to immediately head south to be with his beloved. This song highlights the power of love and the lengths one is willing to go for it, regardless of circumstances or obstacles.