I personally think that he's riding on the metro which has "followed him through his past" meaning that he had many memories of the girl associated to the metro. I think this song was supposed to have been written many years after they broke up, and while riding the same train he used to commute to see her, he suddenly remembered every detail about his lost love.
I personally think that he's riding on the metro which has "followed him through his past" meaning that he had many memories of the girl associated to the metro. I think this song was supposed to have been written many years after they broke up, and while riding the same train he used to commute to see her, he suddenly remembered every detail about his lost love.