Listen to the song to help guide your playing!

C (x32010@1)    C (x32010@1)           CI (x32010@1)was pulling out my hair
     C (x32010@1)           AmThe (x02210@1)day I got the deal
  Am (x02210@1)     AmChemically (x02210@1)calm
Am (x02210@1)            C (x32010@1)    GWas (320003@1)I meant to feel happy
        F(stop (133211@1)playing)            (Am Em (022000@1)name="chord_320003@1">G F) 
That my life was just about to change



C (x32010@1) C (x32010@1)  G (320003@1)  G (320003@1)    C (x32010@1)  COne (x32010@1)life pretending to be
   G (320003@1)  G (320003@1)        AmThe (x02210@1)cow who got the cream
Am (x02210@1)Em (022000@1) Em (022000@1) Am (x02210@1)Am (x02210@1) Em (022000@1)  Em (022000@1)  C (x32010@1)  C (x32010@1)  GOh, (320003@1)everybody said    "Marina is a dreamer"
G (320003@1)    C (x32010@1)  C (x32010@1) G (320003@1)     G (320003@1)         2Am
People like to tell you what you're gonna be
     2C             2G               2F         2Am
It's not my problem if you don't see what I see
    2C            2G            2F
And I do not give a damn if you don't believe

Am (x02210@1)          CMy (x32010@1)problem is my problem:
       G (320003@1)      FThat (133211@1)I never am happy
        Am (x02210@1)             CIt's (x32010@1)my problem, it's my problem
       G (320003@1)              FOn (133211@1)how fast I will succeed

G (320003@1)Am (x02210@1)name="chord_x32010@1">C           F (133211@1)  C (x32010@1) GAre (320003@1)you satisfied with an average life?
     F (133211@1)  G (320003@1)Am (x02210@1)           F (133211@1) C (x32010@1)GDo (320003@1)I need to lie to make my way in life?

C (x32010@1)  C (x32010@1)G (320003@1)   G (320003@1)       C (x32010@1)High achiever don't you see
C (x32010@1)   G (320003@1)     G (320003@1)       AmBaby, (x02210@1)nothing comes for free
Am (x02210@1) Em (022000@1)    Em (022000@1) Am (x02210@1)    AmThey (x02210@1)say I'm a control freak
Em (022000@1)   Em (022000@1) C (x32010@1)   C (x32010@1)    GDriven (320003@1)by a greed to succeed
G (320003@1) C (x32010@1)C (x32010@1) G (320003@1)    
Nobody can stop me

G (320003@1)        2Am
Cause it's my problem
   2C            2G            2F
If I want to pack up and run away
        2Am           2C
It's my business if I feel the need to
2G                  2F 
Smoke and drink and swear

Am (x02210@1)             CIt's (x32010@1)my problem, it's my problem
     G (320003@1)              FIf (133211@1)I feel the need to hide
            Am (x02210@1)         CAnd (x32010@1)it's my problem if I have no friends
    G (320003@1)            FAnd (133211@1)feel I want to die

G (320003@1)Am (x02210@1)name="chord_x32010@1">C           F (133211@1)  C (x32010@1) GAre (320003@1)you satisfied with an average life?
     F (133211@1)  G (320003@1)Am (x02210@1)           F (133211@1) C (x32010@1)GDo (320003@1)I need to lie to make my way in life?
        G (320003@1)Am (x02210@1)name="chord_x32010@1">C           F (133211@1)C (x32010@1)GAre (320003@1)you satisfied with an easy ride?
         F (133211@1)   G (320003@1) Am (x02210@1)              F (133211@1)C (x32010@1)GOnce (320003@1)you cross the line, will you be satisfied?

Not 100% sure about the next part, but I'll put my best guess below. (I'm very 
confident about the Dm and Am for "inside", same for the Em after praying and waiting).

Am (x02210@1)F (133211@1)name="chord_xx0231@1">Dm Am (x02210@1)    Am (x02210@1)F (133211@1)name="chord_xx0231@1">Dm   G (320003@1)      Am (x02210@1)name="chord_133211@1">F  Dm (xx0231@1)name="chord_x02210@1">Am       EmSaaad (022000@1)inside ... innnn this life ... Unsatisfied, praying
Am (x02210@1)F (133211@1)name="chord_xx0231@1">Dm Am (x02210@1)    Am (x02210@1)F (133211@1)name="chord_xx0231@1">Dm   G (320003@1)      Am (x02210@1)name="chord_133211@1">F  Dm (xx0231@1)name="chord_x02210@1">Am       EmSaaad (022000@1)inside ... innnn this life ... Unsatisfied, waiting

G (320003@1)Am (x02210@1)name="chord_x32010@1">C           F (133211@1) C (x32010@1) GAre (320003@1)you satisfied with an average life?
     F (133211@1)  G (320003@1)Am (x02210@1)           F (133211@1) C (x32010@1)GDo (320003@1)I need to lie to make my way in life?
        G (320003@1)Am (x02210@1)name="chord_x32010@1">C           F (133211@1)name="chord_x32010@1">C  GAre (320003@1)you satisfied with an easy ride?
         F (133211@1)   G (320003@1) Am (x02210@1)              F (133211@1)C (x32010@1)GOnce (320003@1)you cross the line, will you be satisfied?

Ending chords:

Not 100% sure, but it sounds like G Am C to me.