This is 95% correct, only because he does a couple of easy hammer on hammer offs that 
can be figured out on your own.

Happiness Comes In A Box
                            Yellow Red Sparks
                         www.yellowredsparks.com

Chords used: G D Em C Am

Intro:
G D Em C

Verse 1:
                G (320003@1)          DWill (xx0232@1)I make you happy? Yes I will
        Em (022000@1)       CBuild (x32010@1)a house on a hill
                  GWe'll (320003@1)tow all the neighbors
                DI'll (xx0232@1)move them away
                    EmAnd (022000@1)we'll raise the stakes
             CJust (x32010@1)you and me

Verse 2
I'll cry if you're lonely
Or cough when you're sick
And I'll wake you up
With one simple kiss
And you'll be reminded
Of all that we were
When all that we are
Is more than before

Chorus:
C (x32010@1)                     G (320003@1)      CAnd (x32010@1)the hardest part is in,  the fact
              GThat (320003@1)we never win
C (x32010@1)                     G (320003@1)            EmAnd (022000@1)the hardest part is in learning to love
                   CWhere (x32010@1)you've never been

Verse 3

But I'll make you happy. Yes I will
If you can pretend that we're still
More than a number in somebody's race
Will numbers run out eventually?

(Chorus)

Bridge(?)

Am (x02210@1)             DIf (xx0232@1)you'll say we jumped over moons
     G (320003@1)                 EmThen (022000@1)I would believe and pray that it's true
C (x32010@1)                      DFerocious (xx0232@1)in stones that we have both thrown
        G (320003@1)             EmJust (022000@1)to cover the shame together we've made
C (x32010@1)                         DLovers (xx0232@1)they'll lead you all over this planet
     G (320003@1)                           EmWith (022000@1)all of your paths (past) it's too much to ask
C (x32010@1)                       DBabe (xx0232@1)if you leave me take nothing for granted
       G (320003@1)     Em (022000@1)     CExcept (x32010@1)ash for ash fall ash

Verse 4:

I'll smile if you're laughing, I'll pray when you're not
I'll help you climb stairs if you just can't walk
And I'll be your safety, if you'll be my love
Some charm (char) for the cares
You know they always ensnare

(Chorus)

Outro:
G (320003@1)         D (xx0232@1)         Em (022000@1)    It's awful, it's awful
   C (x32010@1)    Gtorture (320003@1)     D (xx0232@1)          EmAn (022000@1)awful or an artful
   C (x32010@1)         (fade, then end on G)
Torture