(Capo 2nd fret.) 
#1. 
G                            G7 
Why baby why don't you treat me, 
C9               C7 
like you used to do?  
D7 
Why, baby, baby don't you need me, 
                 G 
like I'm needin' you? 
#2. 
G                    G7 
If you need love and affection, 
C9                C7  
come to my lovin' arms. 
D7 
I'll be your shield and protection, 
                  G 
I won't do you no harm. 
Chorus: 
C7               G 
There will be no trouble and strife. 
C7                     G 
I'll be your slave the rest of my life. 
C7             G  
I offer you my heart and soul, 
A7              D7  
wrapped up in a band of gold. 
https://www.coveralia.com/acordes/why-baby-why-pat-boone.php
#3.  
G                           G7 
Why, baby, why do you tease me?   
C9                  C7 
Won't you please be fair. 
D7  
Why, baby, why won't you please me,  
                  G 
when you know you care.  
Chorus: 
C7               G 
There will be no trouble and strife. 
C7                     G 
I'll be your slave the rest of my life. 
C7             G  
I offer you my heart and soul, 
A7              D7  
wrapped up in a band of gold. 
#4. 
G                           G7 
Why, baby, why do you tease me?   
C9                  C7 
Won't you please be fair. 
D7  
Why, baby, why won't you please me,  
                  G 
when you know you care. (Last line x3.)