G           G/F#              Em7    Am
    Life is like retractable pencils,
                    Am7               D    Dsus4
if you push it too hard, it's gonna break.

...

It is more or less the same chord sequence throughout. To give some sort of
timing perspective, if you don't have a copy (although why you would want to play
it in this case, I'm not sure), here's a handy time guide:

Tempo: 70bpm (Folk The World tour) 77bpm (TV Series)
4/4 Time
L: Lyrics


|G| |G/F#| |Em7| | | |Am| |Am7| 
  

Chords:
G :     320033
G/F#:   220033
Em:     022033
Am:     x02210
Am7:    x02010
D:      x00232
Dsus4:  x00233