The song/story is about a girl who is emotionally hurt by her lover repeatedly. she indicates that she was hurt in all of her past relationships. she was tired facing pain again, she decided to be immune to pain by avoiding love. however, as the time passes by, she realizes that she has become numb inside her heart is hollow without love.And This girl comes and cuts her heart open. she cuts the vein which is acting as a shield over her heart and makes it open towards love. When she opened it, she starts "bleeding love" that is, she starts loving her unconditionally. that now, she is free to love.