Stock up on Ben & Jerry’s and cue Jagged Little Pill—Taylor Swift is going through another breakup. Twitter, Swift fans, the blogosphere—the world, really—is abuzz over the news that the country-pop supernova and One Direction heartthrob Harry Styles are calling it quits, just over a month after the two first stepped out publicly as a couple.As is tradition in this epic Harlequin romance we call Taylor Swift’s love life, speculation is already beginning over how this breakup will fuel material for new songs by the singer. It’s a familiar routine, considering that Swift has, if rumors are to be believed, dated no fewer than 13 men over the past four years, leading to a perpetual, frenzied guessing game over which ex each of her woman-scorned anthems is about.On the occasion of yet another romance failed—the baker’s dozen!—here’s a look back at Taylor Swift’s relationship history (as reported by the gossip rags) by the numbers.