You always told me,
If I ever wanna leave,
If I find a better girl,
someone who lets me breathe.
That you wouldn't stand in my way.
Oh girl, I never meant to break your heart.

I promise you,
I didn't know she was your sister.
What could I do?
She's so dope, (oh yeah) I couldn't resist her
(Your little sister)

And who woulda thought,
she's really that young?
Unlike you, kisses good with the tongue.
(Oh please, don't stand in my way.
I guess it really doesn't matter if,
if I break your heart.)

I promise you,
I didn't know she was your sister.
What could I do?
She's so dope, (oh yeah) I couldn't resist her
(Your little sister)

How, oh, how could I know?
How could I know?(How could I know?)
How? I really, really didn't know.

I promise you,
I didn't know she was your sister.
What could I do?
She's so dope, I couldn't resist her.
I promise you,
I didn't know she was your sister.
What could I do?
She's so dope, (oh yeah) I couldn't resist her.
(Your little sister)
What?
How old is she anyway?

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