"This song was in 2001. I thought I could just put it away after recording the album. Surprisingly, you (fans) seem to be its (the song) friend from last life!" It means that she didn't expect the fans would love this side-track song sooo much!
She is singing about being insecure and wanting the guy to "please to hurt her" "please tell her again that it cannot go on" "please tell her all her faults" "thanks for breaking her heart" I think that's all I got from it. I don't understand every single word in the song.