I know why she's crazy why she's drinkin' all the time
Lookin' more like forty when she's only twenty-nine 
Why her best friend and her momma think she's lost a couple screws
Yeah, I know why she's crazy 'cause baby, you've done made me crazy too

I know why she called you always cryin' on the phone 
Drivin' by late at night to see if you were home 
I know why she was wonderin' if you were tellin' her the truth 
Yeah I know why she's crazy 'cause baby, you've done made me crazy too 

Crazy makes you do the things you swore you'd never do 
Checkin' emails, checkin' details, calls and texts from unknown females 
Yeah crazy ain't so crazy when you're goin' through it too 
Through the garbage, through your pockets 
Through the trunk and glove compartment 
Yeah I know why she's crazy baby, you've done made me crazy too

I know why she hates you 'cause right now I'm on the verge 
I know why she keyed your car 'cause I sure got the urge 
Now I'm the one who's standing in her bitter high heel shoes 
Yeah, I know why she's crazy baby, you've done made me crazy too