You think you're such a cool kid And everybody likes you Now you think I'm stupid Say you know more than I do But what you'll never understand Is I used to be such a fan But now you're such a cool kid It's like I don't even know you Yeah, I'm getting really sick Sick of how sorry sounds Coming right out your mouth Don't get too comfortable Cause I might not be there Next time you turn around So what would you do If I leave and don't come back I hope it breaks you in two If I get back all the pain That you put me through What would you do? What would you do? I've always been a nice girl I'm pretty understanding But you're inside my head, boy And you're taking me for granted And you're probably gonna throw a fit When I call you out on all your *** Yeah, I used to be a nice girl Now you think I'm stupid Say you know more than I do But what you'll never understand Is I used to be such a fan But now you're such a cool kid It's like I don't even know you Yeah, I'm getting really sick Sick of how sorry sounds Coming right out your mouth Don't get too comfortable Cause I might not be there Next time you turn around So what would you do If I leave and don't come back All the pain that you put me through What would you do? Breaks you in two What would you do? What would you do?