主角(Thora Birch)遵循"PIG理论",在六个月后结束关系,以避免心痛,直到她遇到一个想反驳她理论的男人(克里斯·克莱因)The main character (Thora Birch) follows the "PIG Theory" and ends relationships after six months in order to avoid heartache until she meets a man (Chris Klein) who wants to disprove her theory.