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 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 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 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