Standard (EADGBE)

Verse

You change your mind,

Like a girl changes clothes,

etc. (the same for all the verses)

Chorus

Your hot then your cold

Your yes then your no,

Your in then your out,

Your up then your down

etc. for whole chorus

Verse

Chorus

Bridge

Will someone call the doctor

I got another case of bipolar

etc......

[Pluck or strum slowly]

You change your mind,

Like a girl changes clothes

Chorus a couple of times and then your'e good =]

Enjoy xx.