Lyrics:

uh uh uh
uh uh uh
uh uh
uh uh uh

(Chorus)
'Cause its all in my head
I think about it over and over again
I cant keep picturing you with him
And it hurts so bad
(yeah) Cause its all in my head
I think about it over and over again
I replay it over and over again
And i can't take it I cant shake it(NO)

[Nelly]
I can't wait to see you
Wanna see if you still got that look in your eye
That one you had for me before we said our goodbyes
And its a shame that we gotta spend our time being mad About the same things
Over and over again (about the same thing)
Over and over again

Oo but I thinks she leavin
uhh man she's leavin
I dont know wat else to do
(Cant go on not lovin you)
(chorus)
Cause its all in my head
I think about it over and over again
I cant keep picturing you with him
And it hurts so bad
(yeah) cause its all in my head
I think about it over and over again
I replay it over and over again
(yeah) and I can't take it
(yeah)and I can't shake it ( no )

[Nelly]
I remember the day you left
I remember the last breath you took right in front of me
When you said that you would leave
I was too damn stubborn to try to stop you or say anything
But I see clearly now
And this choice I made keeps playin in my head
(Over and over again)
Playin my head (over and over again)

[Nelly]
Oh I thinks shes leavin
Uhh man shes leavin
I dont know wat else to do
(I cant go on not lovin you)

Cause its all in my head
I think about it over and over again
I can't keep picturing you with him
And it hurts so bad
(yeah) cause its all in my head
I think about it over and over again
I replay it over and over again
And I can't take it and I cant shake it(no)

[Nelly]
Now that I realize
That I'm goin down
From all this pain you put me through

[Tim McGraw]
Everytime I close my eyes (wuu wuu)
I lock it down
ooooo I can't go on not lovin you

(repeat chorus 3x)

uh uh uh uh (repeat 4x)

Over and over again
Over and over again
Cause it's all in my head