This song is about a doomed toxic relationship that frontman Matt Healy was in when he was about 19. He explained to Scenewave: "There's a point when you're dating someone where you become aware of all the things you kind of thought you couldn't depart from. You kind of build all of these nostalgias and sort of antiquated memories in your mind, and when you're at the point during the breakup, you realize, 'you know what, it actually takes a bit more than all this bulls--t.'"
Movie director Michel Gondry played live drums on the Late Registration track, "Diamonds From Sierra Leone." The Eternal Sunshine of The Spotless Mind filmmaker happened to be in the studio on a day when producer Jon Brion was setting up a drum kit