[Verse 1] D Em Jack, from school Bm He listened to Bowie Em People thought he was cool D Em He used to live for the thrill Bm Em Skating around up in the Hollywood Hills [Pre-Chorus] Bm But no one knows G He's talking it up Bm That it's all for show G He's boring as fuck [Chorus] D You're Mr. Know-It-All Em She's staring at her phone Bm And even though you sit together F#m G You feel so alone D It's such a tragedy Em When people hardly speak Bm F#m G Try to live up to the person you pretend to be D Em Bm G You're Mr. Know-It-All You're Mr. Know-It [Verse 2] D Em Jill, liked art Bm She listened to Mozart G People thought she was smart D Em She used to quote Hemingway Bm G Trippin' on acid in the Palisade [Pre-Chorus] D But no one knows G That it's all for show [Chorus] D You're Ms. Know-It-All Em You're staring at his phone Bm And even though you sit together F#m G You feel so alone D It's such a tragedy Em When people hardly speak Bm F#m G Try to live up to the person you pretend to be [Bridge] D Bm F#m Em Bm You must have known I tried to change with love to say hello A Please, don't hang up D Bm F#m Afraid of what I'd say Bm A Hello, hello, hello D Em Bm F#m G I'm Mr. Know-It-All [Chorus] D I'm Mr. Know-It-All Em Staring at my phone Bm And even though we sit together F#m G I feel so alone D It's such a tragedy Em We always used to speak Bm F#m G Try to live up to the person I pretend to be D I'm Mr. Know-It