Wanted to learn this song so figured i'd make a tab so I'd always have it available.
There could be some minor nuances differing the chords from the original.
The A7 in the verse is perhaps not entirely satisfying for the ear but the chord 
shold not be "minor" so I choose the A7.
Hope you enjoy!

Capo on 1st

Intro:
G Am Em A7

G
   How can I prepare you
Am 
    For how I wanna love you
Em
     And I know you've been hurting
A7
Pain and love is all the same in your eyes
G
    So baby take a chance to
Am
    really let me show you
Em                       C                             D 
    and if you open up I'll teach you how to love for life
Bm    Em             Am7 Am/B   C     C/C#   D
hey        cause the lonely    never win      yeah

Chorus:
         G                    Em
But if I love you (I'll never let you go)
          C                       Am
How can I trust you (just tell me what you want)
                      G                       Em
(Take me back) When i need you (girl put your heart in mine)
                    C               Am
I promise that will never let it go
              G                     Em
I don't wanna cry no more (no not a single tear)
                 C                     Am
'Cause I've been broken (well now that i'm here)
                   G                         Em
To teach me how to love again,(Girl put your heart in mine)
                      C               Cm
I promise that i will never let you go

Yeah
G                         Am  
     I done seen a lot of things
                   Em
Heard alot of men claim
                           A7
They gonna love me forever tell me now
                      G
what makes you different
                     Am
yeah, I gave all I had
                        Em
All the way down to my last..
                            C
Boy I need you right now to show me how
                          D
To trust my heart over my mind 
Bm      Em            Am7 Am/B   C      C/C#   D
  yeah      Cause the lonely     never wins

Chorus:
         G                    Em
But if I love you (I'll never let you go)
          C                       Am
How can I trust you (just tell me what you want)
                      G                       Em
(Take me back) When i need you (girl put your heart in mine)
                    C               Am
I promise that will never let it go
              G                     Em
I don't wanna cry no more (no not a single tear)
                 C                     Am
'Cause I've been broken (well now that i'm here)
                   G                         Em
To teach me how to love again,(Girl put your heart in mine)
                      C               Cm
I promise that i will never let you go

Bridge:
G                      G/F# F      F G/F# G      
    I never wanna let you go, no baby
                          G G/F# F
Wanna love you with my heart and soul
            D
But I gotta know

Chorus:
         G                    Em
But if I love you (I'll never let you go)
          C                       Am
How can I trust you (just tell me what you want)
                      G                       Em
(Take me back) When i need you (girl put your heart in mine)
                    C               Am
I promise that will never let it go
              G                     Em
I don't wanna cry no more (no not a single tear)
                 C                     Am
'Cause I've been broken (well now that i'm here)
                   G                         Em
To teach me how to love again,(Girl put your heart in mine)
                      C               Cm
I promise that i will never let you go
G