Who are you to her?
Well, I'm expecting you to say
That the honeymoon period's over between us any day
Now

I can't believe you're gonna leave
I can't believe you're happy
But if you say it's true
Then I suppose I'm happy too

Just tell me
Who are you to her?
You're going with another girl
Who are you to her?
I don't know how you got the nerve
Who are you to her?
She must be asking you the same thing about me

Who are you to her?
Well, I'm expecting you to say
Yes, I'm expecting you to end it in your own distinctive way

I can't believe you're gonna leave
I can't believe you're happy
But if you say it's true
Then I suppose I'm happy too

Just tell me
Who are you to her?
You're going with another girl
Who are you to her?
I don't know how you got the nerve
Who are you to her?
She must be asking you the same thing about me

Who are you to her?
You're going with another girl
Who are you to her?
I don't know how you got the nerve
Who are you to her?
She must be asking you the same thing about me

It's a crying shame
I know that everybody in here knows your name
But I thought I was the only one
That knew which side of the bed you lie on
It's a crying shame
I thought that maybe this time you'd changed
But I found out everything's exactly as it seems

Who are you to her?
You're going with another girl
I don't know how you got the nerve
She must be asking you the same thing about me

If you're happy
Then I'm happy
I'm happy too
I'm still classic girlfriend material
And I'll do better than you

If you're happy
Then I'm happy
I'm happy too
'Cause I'm still classic girlfriend material
And I'll do better than you
Do better than

Who are you to her?
I don't know how you got the nerve
Who are you to her?
I don't know how you got the nerve
Who are you to her?
She must be asking you the same thing about me

Who are you to her?
I don't know how you got the nerve
Who are you to her?
I don't know how you got the nerve
Who are you to her?
She must be asking you the same thing about me

Just tell her I'm classic girlfriend material.