Caught up in the thought of us
And the way you used to feel with me
Tell them anything you like
But the truth, that's a whole 'nother thing, yeah

And now you're sittin' back at home (Back home)
Got you feelin' all alone (All alone)
It's just you and your thoughts now, thoughts now
You thought It'd never be this cold
(Thought it'd never be this—)
I bet you thought I'd never sing this song
I hope that you don't take this wrong (Yeah, wrong, babe)
I'm just saying that it's different, different than

Back when you were mine, uh
You were mine, you were mine
Back when you were mine, uh
You were mine, you were mine, yeah
Back when you were mine

Uh, I spent all of my money on you, uh
Gave you all of my time, that's true, uh
Did everything I was supposed to do
(Back when you were mine)
I defended every lie about you, uh
I probably would've taken lives for you
Better yet, girl, I probably would've died for you
(Back when you were mine)

And now you're sittin' back at home (Back home)
Bet you feelin'
all alone all alone (All alone)
It's just you and your thoughts now, thoughts now
You thought It'd never be this cold
(Thought it'd never be this—)
I bet you thought
I'd never sing this song (Sing this song)
I hope that you don't take this wrong (This wrong, babe)
I'm just saying that it's different, different than

Back when you were mine, uh
You were mine (You were mine), you were mine
(Back when) Back when you were mine
(Yeah, I know what you said) You were mine
(You said it was different) You were mine, yeah
(But, baby, it was back then) Back when you were mine

(I said I know what you said, uh)
(You said it was different, uh)
(But, baby, it was back when)
Back when you were mine
(Yeah, I know what you said, uh)
(You said it was different; baby, it was so)
(But, baby, it was back then)
Back when you were mine

Back when, back when, uh
Back when, back when, uh
Back when, back when (Back when you—)
Back when, back when, uh
Back when, back when, uh
Back when, back when (Back when you—)