I guess it's about a relationship that ended in a not-so-nice way or perhaps an unrequited love the singer tried very hard to forget about, but then the guy appears again and she remembers, and it hurts again - especially because her love interest still doesn't feel the way she does.
I guess it's about a relationship that ended in a not-so-nice way or perhaps an unrequited love the singer tried very hard to forget about, but then the guy appears again and she remembers, and it hurts again - especially because her love interest still doesn't feel the way she does.