Article continues below advertisementTravis Kelce's claim that he and fiancée Taylor Swift have never argued has sparked alarm among relationship experts - who are now comparing their seemingly perfect romance to George and Amal Clooney's much-debated "conflict-free" marriage.OK! can reveal the 36-year-old Kansas City Chiefs star shared the revelation while interviewing George on his "New Heights" podcast earlier this month.Article continues below advertisementSource: MEGAGeorge and Amal Clooney have not fought in 10 years.