[Verse 1] When I look at old stuff lookin’ like it’s over Lookin’ like I’m never going to be that again Crying over old loves even though they’re over Never gonna stay friends yeah stay friends [Chorus]   They think I’m happy   They think I’m happy when I’m sad They think I’m happy   They think I’m happy when I’m   They think I’m happy   They think I’m happy when I’m sad They think I’m happy   They think I’m happy when I’m [Verse 2] Can’t look how we made it say congratulations Lookin’ like I’ll never be lonely again See me in the mirror nothin’ ever changes Never see the sunset only in my head [Chorus]   They think I’m happy   They think I’m happy when I’m sad They think I’m happy   They think I’m happy when I’m   They think I’m happy   They think I’m happy when I’m sad They think I’m happy   They think I’m happy when I’m [Post-Chorus] Never gonna stop Never gonna calm down Never gonna stop   They think I’m happy when I’m Never gonna stop Never gonna calm down Never gonna stop (No)   They think I’m happy when I’m [Bridge]        I put on a smile don’t need a face-lift       Why can’t I when everybody fakes it?   Well they think I’m happy   Like they know exactly how I feel It ain’t real but they still think [Chorus]   They think I’m happy   They think I’m happy when I’m sad They think I’m happy   They think I’m happy when I’m   They think I’m happy   They think I’m happy when I’m sad They think I’m happy   They think I’m happy when I’m [Post-Chorus] Never gonna stop (I try) Never gonna calm down Never gonna stop   They think I’m happy when I’m Never gonna stop Never gonna calm down Never gonna stop (No)   They think I’m happy when I’m