I usually play this on piano so sincerest of apologies if it doesn't sound right on guitar.
The timing is pretty easy, it almost exactly follows the melody of his singing in the chorus.

Intro chords: Ab Cmin Bb Ab
E |--------------------------|
B |--------------------------|
G |----0-1-0-----------------|
D |----------3----1-3-1-0----|
A |--3---------------------3-|
E |--------------------------|

You can also use this tab for the chorus.
Ab            Cm           Bb
     I'm not searching the sky for a reason to live
Ab                 Cm           Bb
`    Cause I found beauty right here and a passion to give
Ab             Cm          Bb
     So let me give you my heart, let me give you my tears
Ab          Cm          Bb
     Let me give you my life, let me give you my fears
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