The 3rd version has some mistakes in them, so I'll fix them now.

Intro (piano): Fm, Db, Eb, Fm,Db,Eb

Verse (piano, will be referred as (p) after the chord when guitar joins in if only piano plays the chord.
Ab          Cm           FmM7               Fm   
 I will not make the same mistakes that you-u did
Eb   Ab        Cm
I-i-i will not let myself
FmM7                   Fm    Eb
Cause my heart so much misery
Ab            Cm           FmM7
 I will no-ot break the way you did,
        Fm    Eb   
You fell so-o hard
Ab                Cm  
 I've learned the hard wa-a-ay
   FmM7         Fm       Eb  Ebsus4
To never let it get that far

(Drums joins in on 'Because', Guitar joins in on 'you)
CHORUS:
  Eb(p)    Fm  
Because of you
             Db                Eb        Ebsus4(p)
I never stray too far from the si-idewalk
  Eb(p)    Fm
Because of you
                         Db             Eb              C    
I learned to play on the safe side so I do-on't get hurt
           Bbm   
Because of you
                     Ab/C                                                   
I find it hard to tru-st 
           Eb                   C7 
Not only me, but everyo-one aro-und me
           Db7  
Because of you-u-u-u-u
          Eb (ring) 
I am afra-aid

(Strings join in)

Verse:
Ab         Cm
 I lose my way
         Fm (FmM7p))      Fm(p)    Eb    
And it's not too long befo-ore you point it out
Ab        Cm
 I cannot cry
  Fm (FmM7(p))          Fm(p)    Eb   
Because you know that's weakness in your eyes
Ab             Cm
 I'm forced to fa-ake
       Fm (FmM7(p))  
A smile, A laugh 
  Fm(p)  Eb     Ab
ev-eryday of my life
               Cm  
My heart can't possibly bre-e-eak
        Fm (FmM7(p))Fm(p)     Eb         Ebsus4(p)
When it wasn't even whole to sta-art with


CHORUS:
  Eb(p)        Fm  
Beca-a-ause of you
             Db                Eb        Ebsus4(p)
I never stray too far from the si-idewalk
  Eb(p)         Fm
Because of you
                         Db             Eb                  C7    
I learned to play on the safe side so I do-on't get hu-u-urt
           Bbm   
Because of you
                     Ab/C                                                   
I find it hard to tru-st 
           Eb                   C7 
Not only me, but everyo-one aro-und me
           Db7  
Because of you-u-u-u-u-u
          Eb 
I am afra-aid

Bridge
              Cm
I watched you die
            Fm                    Eb (Ebsus4(p),Eb(p),Ebsus2(p))  
I heard you cry every night in yo-ur sleep
  Eb(p)    Cm
I was so-o young
                Fm                   Eb (Ebsus4(p),Eb(p),Ebsus2(p))  
You should have known better than to lean on me
    Eb(p) Cm                Fm
You never thought of anyone else
             Eb (Ebsus4(p),Eb(p)) 
You just saw your pain
    Ebsus4(p) Cm                       Fm     
And now I     cry in the middle of the night
        Eb (Ebsus4(p),Eb(p),Ebsus4(p),Eb(p),Ebsus4(p))
For the same damn thing

Chorus (No drums and guitar from 'you', only piano & strings)
  Eb(p)    Fm
Because of you
             Db                Eb
I never stray too far from the si-idewalk
           Fm
Because of you
(Dashed line represents the drum sound this time, including the 't')
                         Db             Eb                NC
I learned to play on the safe side so I don't get hur----t
Key Change to Gm, Drum plays from 'cau' syllable)
               Gm
Becau-u-use of you
                   Eb              F  
I try my hardest ju-st to forget e-everything
             Gm
Becau-use of you
                       Eb           F     D7
I don't know how to let an-nyone el-lse in
           Cm
Because of you
                  Bb/D                  F     D7
I'm ashamed of my li-i-ife because it's em-pty
           Eb 
Because of you
      F (ring)
I am afraid
Outro: piano only, no drums, no strings, no guitar.
           Gm   Eb   F
Because of you
           Gm   Eb   F   
Because of you