Strumming pattern is a bit difficult but just listen to the song and you should pick it up!!
CAPO ON 3RD FRET!!!!
Intro: C Am F G

Verse 1:
C (x32010@1)                     Ameverything (x02210@1)I know about love
                  F (133211@1)GI (320003@1)learned from you
C (x32010@1)                         Amand (x02210@1)everything I know about pain
                 F (133211@1) GI (320003@1)learned from you
               Cyou (x32010@1)were my only
               Amyou (x02210@1)were my first
               Fyou (133211@1)showed me lonely
                Gand (320003@1)you took me in when I was hurt
        C (x32010@1)                           Ambut (x02210@1)the most important thing you ever gave me
            F (133211@1)              Gyou (320003@1)was the one that hurt the most
so...

Hook:
C (x32010@1)               Am (x02210@1)        F (133211@1)GThank (320003@1)you for the broken heart
    C (x32010@1)               Am (x02210@1)         F (133211@1)Gand (320003@1)thank you for the permanent scar
          Ccuz (x32010@1)if it wasn't for you
        AmI (x02210@1)might forget
       Fhow (133211@1)it feels to let go
        G (320003@1)           C (x32010@1)          Amhow (x02210@1)it feels to get a brand-new start
 F (133211@1)                 G (320003@1)     CThank (x32010@1)you for the broken heart

Verse 2:
   C (x32010@1)                    Am (x02210@1)   
I still remember when you called
             F (133211@1)and said that he
       Gdidn't (320003@1)mean anything
C (x32010@1)                     Amhow (x02210@1)could you expect me to
        Flook (133211@1)at you
         Gthe (320003@1)same way
             Cyou (x32010@1)were my only
            Ambut (x02210@1)not my last
              Fyou (133211@1)showed me lonely
                Gand (320003@1)you made me put you in the past
        C (x32010@1)                           Ambut (x02210@1)the most important thing you ever gave me
        F (133211@1)               Gwas (320003@1)the one that hurt the most
so...

(Hook)

Bridge:
           Am (x02210@1)                         Fand (133211@1)*every time I find myself alone in pieces
        G (320003@1)
(I find myself)
          Am (x02210@1)                            FI'll (133211@1)just remember when you hurt me and I made it

Chorus 2:
  C (x32010@1)                Am (x02210@1)       FG
So thank you for the broken heart
   C (x32010@1)                 Am (x02210@1)       F (133211@1)G (320003@1)And thank you for the permanent scar
          C (x32010@1)           
cuz if it wasn't for you
  Am (x02210@1)     
I wouldn't be here
         F (133211@1)with the love of my life
       Gall (320003@1)my pain disappeared
  C (x32010@1)        AmI've (x02210@1)come so far
    F (133211@1)              G (320003@1)       Cso (x32010@1)thank you for the broken heart