《爱情比赛》是由哈维·洛瑞执导，索拉桦木,克莱尔咖啡,大卫蓝,索拉·伯奇主演的爱情片。该电影于2018年在美国上映。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.