How to break up with someone else's fiancé by Chelsea Porter, aka The Breakup Girl Tell him it's not him, it's her. Try to ignore how gorgeous Callum McKinnel is. You are breaking up with him, after all. Fall just a little bit when he rescues your dog. Try to resist when he asks you to join his family for Thanksgiving dinner in Jewell Rock. Succumb anyway. Succumb to a lot more than that. Remind yourself that you are The Breakup Girl. You don't do...