Bb F
Bb Am D7
Gm C7


[Verse]
Bb    F   Bb              Am      D7
Foolproof, that's what my heart's become
      Gm
And I challenge anyone to break in
  C                   C7     F            D7
Challenge anyone to make me open up the door
                 Gm       Gm7  C7
'cause I've been fooled before


[Verse]
            Bb  F     Bb         Am    D7
And now I'm foolproof. Older and wiser now
        Gm
And I'm never going to fall for that old
C                       C7       F             D7
Never going to fall for that old fairytale anymore
                 Gm        Gm7   C7
'cause I've been schooled before


[Bridge]
               Bb  F
And 'cause I'm foolproof
Bb        Bbm        F
And I dare anyone to try
Ab        D            G      Gm
Not a care in the world have I


[Verse]
   C7           Bb  F     Bb          Am       D7
As long as I am foolproof. Oh no they can't fool me
            Gm
'cause I've been around the block a few times
C                    C7      F               D7
Been around enough to know I'm coming back for more
             Gm            Gm7         C7
'cause I believe that your heart is pure


[Otro]
N.C.             F         Gm Am
And 'cause I'm foolproof
         D        Gm              Gm7   C7  Fmaj7
Foolproof that's what my heart's become