For me the song is about a guy who doesn't belive in love because in the past someone broke his hearth, and now there is someone who loves him but he will not let her into his heart though he loves her, then he says to her that even if she thinks that she feels love, she is wrong and soon that feeling will dissapear, by that reason he can't offer her his love and he only can promise that he will be always there by her side and that his feelings for her will remain forever.
For me the song is about a guy who doesn't belive in love because in the past someone broke his hearth, and now there is someone who loves him but he will not let her into his heart though he loves her, then he says to her that even if she thinks that she feels love, she is wrong and soon that feeling will dissapear, by that reason he can't offer her his love and he only can promise that he will be always there by her side and that his feelings for her will remain forever.
I love this song but makes me sad =(