In order for the guitar to sound like the piano from the studio version, play with fingers like this:
[C] [Am] [Em]
e|-3---3---3---3---|-3---3---3---3---|-3---3---3---3---|-3---3---3---3---|
B|-1---------------|-1---------------|-0---------------|-----------------|
G|-0---------------|-2---------------|-0---------------|-----------------|
D|-----------------|-----------------|-----------------|-----------------|
A|-3---------------|-0---------------|-----------------|-----------------|
E|-----------------|-----------------|-0---------------|-----------------|
Chorus
[C]
Mmm, baby, I don't understand this
[Am]
You're changing, I can't stand it
[Em]
My heart can't take this damage
[Em]
And the way I feel, can't stand it
[C]
Mmm, baby, I don't understand this
[Am]
You're changing, I can't stand it
[Em]
My heart can't take this damage
[Em]
And the way I feel, can't stand it
[C]
Mmm, baby, I don't understand it
Bridge
[Am]
Girl, you're making it hard for me
[Em]
Girl, you're making it hard for me
[Em]
Girl, you're making it hard for me, uh
[C] [Am]
Girl, you're making it hard for me
[Em]
Girl, you're making it hard for me
[Em]
Girl, you're making it hard for me
Chorus
[C]
Mmm, baby, I don't understand this
[Am]
You're changing, I can't stand it
[Em]
My heart can't take this damage
[Em]
And the way I feel, can't stand it
[C]
Mmm, baby, I don't understand this
[Am]
You're changing, I can't stand it
[Em]
My heart can't take this damage
[Em]
And the way I feel, can't stand it
[C]
Mmm, baby, I don't understand this
[Am]
You're changing, I can't stand it
[Em]
My heart can't take this damage
[Em]
And the way I feel, can't stand it
N.C.
Mmm, baby, I don't understand it