Songfacts®:

• "Mr. Know It All" is built around one of love's cruelest paradoxes: the more convinced you are a relationship will fail, the more likely you are to make it fail. The song uses vivid imagery throughout, comparing his romantic intuition to gazing into a crystal ball, and the inevitability of collapse to pulling dominoes from a coffee can and watching them fall.
  
  "It explores the idea that love can become a self-fulfilling contradiction," said Swims. "When you believe you already know how it ends, you protect yourself by holding back and that distance becomes the reason it fails. But when you try to fight that fate and control every outcome, you can end up suffocating the connection."
• The theme sits comfortably alongside other songs about romantic self-sabotage. Think "Back To December," where Taylor Swift only recognizes what she had after she's already destroyed it, or Swims' own "The Door," where he knows a relationship is finished but can't bring himself to be the one who ends it. Where those songs are rooted in hindsight and inertia, "Mr. Know It All" is crueler still: Swims can see the ending coming in real time yet feels equally powerless whether he pulls back or pushes forward.
• Rather than tying the song to a specific relationship, Swims frames it through the lens of sociology. "It's about how both fear and control can quietly undo something real," he said. "It's essentially a spin on Robert K. Merton's concepts of self-destroying prophecy versus the self-fulfilling prophecy, also known as The Prophet's Dilemma."
  
  Merton, one of the 20th century's most influential sociologists, coined the term "self-fulfilling prophecy" in 1948, and his idea of its inverse - the self-destroying prophecy - describes how believing a positive outcome is inevitable can paradoxically undermine it.
• Swims co-wrote "Mr. Know It All" with Julian Bunetta, John Ryan and Joshua "Ammo" Coleman, with additional writing contributions from Eskeerdo and first-time Swims collaborator Ed Drewett.
  
  Swims previously worked with Julian Bunetta and John Ryan on tracks from his debut album, I've Tried Everything But Therapy, which was released in two parts (2023 and 2025). Bunetta and Ryan are best known as part of the songwriting team behind One Direction's biggest global hits, including "Story of My Life" and "Steal My Girl."
  
  Ammo is a hitmaker known for co-writing and producing for Katy Perry ("E.T.") and Maroon 5 ("Sugar") among dozens of others. He contributed to several I've Tried Everything But Therapy tracks.
  
  Cuban-American songwriter Eskeerdo has worked with artists like Justin Bieber ("Anyone") and Niall Horan ("Slow Hands").
  
  Ed Drewett is a British songwriter and BIMM alumnus who has had major success writing for The Wanted ("All Time Low") and One Direction ("Best Song Ever" and "History"). His collaboration with Swims marked a new transatlantic creative partnership.
  
  Eskeerdo, John Ryan, and Ammo also teamed up to pen Alex Warren's collaboration with Rosé, "On My Mind."
• Bunetta played bass, drums, guitar, keyboards, and programming; Ammo contributed drums; John Ryan played drums; and Ed Drewett provided background vocals.
• "Mr. Know It All" was released ahead of Teddy Swims' mainstage performance at Coachella 2026, signaling the start of a brand new artistic era. It followed the extraordinary commercial and critical run of his debut album, I've Tried Everything But Therapy, that spawned global hits including "Lose Control," "The Door," and "Bad Dreams."