作曲 : Carlos "Los" McKinney/Terius "The-Dream" Nash [Refrain] I know everything you gon' say 'fore you Say it, ain't no need to play those games Boy, do your thing I know every time you go away, you See something that you just can't explain Boy, do your thing [Verse 1] I can't hate you If she don't want you, then I don't want you either But just don't put your feet up [Chorus] I know it's twenty to one, but I don't do second to none And this when you tell me you 17, I'll be right here when you done I only do 21 and over, 21 21, 21 I only do 21 and over, 21, 21 21, 1, 1 [Verse 2] And sure, I wanna fall in love with you Lose my cool and be your fool No, no, not never See this ain't that song where I lay here all night long and feel like I'm dyin' without you Know I try without you Then I survive without you Get by without you Fly without you, ride without you We them new girls, new way New boss, new days [Refrain] I know everything you gon' say 'fore you Say it, ain't no need to play those games Boy, do your thing I know every time you go away, you See something that you just can't explain Boy, do your thing [Chorus] I know it's twenty to one, but I don't do second to none And this when you tell me you 17, I'll be right here when you done I only do 21 and over, 21 21, 21 I only do 21 and over, 21, 21 21, 1, 1 [Bridge] Grow up, grow up, babe Show up, show up, babe So what? So what, babe? Know what? Know what, babe? Mean no shade, I just play no games You just need a lil' more experience Nothing under 21 [Chorus] I know it's twenty to one, but I don't do second to none And this when you tell me you 17, I'll be right here when you done I only do 21 and over, 21 21, 21 I only do 21 and over, 21, 21 21, 1, 1