When did I become someone? Who's laughing and smiling to cover the lying? I don't wish it for anyone Can't even tell if you're worth it, but she don't deserve this Do you tell her she's crazy? That you don't think of me like that? You tell her she's fucking crazy 'Cause you don't think of me like that But a girl can tell when a girl can tell when something's up Yeah, a girl can tell when a girl can tell And your girlfriend knows 'bout us Girlfriend knows 'bout us Girlfriend knows 'bout us Girlfriend knows 'bout us When did I convince myself? That what we do is alright if it don't come to light? I bet she's waking up to my text Her and me already know You're the only one who don't Do you tell her she's crazy? That you don't think of me like that? You tell her she's fucking crazy 'Cause you don't think of me like that But a girl can tell when a girl can tell when something's up Yeah, a girl can tell when a girl can tell And your girlfriend knows 'bout us Girlfriend knows 'bout us Girlfriend knows 'bout us Girlfriend knows 'bout us A girl can tell when a girl can tell, yeah A girl can tell when a girl can tell And your girlfriend knows And she knows But a girl can tell when a girl can tell when something's up Girlfriend knows 'bout us Yeah, a girl can tell when a girl can tell And your girlfriend knows 'bout us Girlfriend knows 'bout us