Holly plays the same Chords throughout the entire song.  The picking is simple too.  
Just get the pattern
down and you will have the whole song, including instrumentals down.  Thanks!

Tuning: Capo on 7th fret
G                             Cadd9         G
Why are you drinkin' like the night is young?
G                             Cadd9         G
Why are you drinkin' like the night is young?
D                               Cadd9
The kids are in the bed and the day is long done.
G                                 D            G
So, why are you drinkin' like the night is young?

G                            Cadd9          G
Why are you screamin' like I don't have ears?
G                                  Cadd9         G
Yeah, Why are you screamin' like I don't have ears?
D                    Cadd9
Baby, I can hear you loud and clear.
G                                D          G
So, why are you screamin' like I don't have ears?

Why are you cheatin’ on a woman like this?
Hey, why are you cheatin’ on a woman like this?
I raise your babies and I kiss your lips.
So, why are you cheatin’ on a woman like this?

Instrumental
G  Cadd9  G  Cadd9  D  Cadd9  G D G

Why are you leavin’ like we don’t exist?
Yeah, why are you leavin’ like we don’t exist?
You’re packing your bags and I clench my fist.
So, why are you leavin’ like we don’t exist?


Now I’m here drinkin’ like the night is young.
Hey, I’m here drinkin’ like the night is young.
Mama took the kids and the money’s all gone.
And I’m here drinkin’ like the night is young.

(G)                                (D)  (G)
Don’t die drinkin’ like the night is young.