She is saying her final goodbye to the first man she ever loved. Its hard for her because this is the man that she love unconditionally but in order to move on with her life she has to let him go.
She knows that he'll never love her back, yet she chooses the path which would lead her to him. For her, he is her dream, but his dream is someone else. All her tears are for him, but all his tears are for someone else. still then, she chooses him and yet he chooses someone else. It is a story of one sided love, friendship, sacrifices and how you find yourself.