Listen for chord changes.  for the intro 8 strums for C, Am, and F then 4 for C and G. 
mostly hits the top strings and quietly strums down through the rest of the strings.

Capo 2nd

 Intro: C, Am, F, C, G

   C           Am       F                     C  G
 Verse: Pain, don't go, you remind me of a winter storm
       Faith, don't grow, when they say you've been torn

      F          Am          C          G
 Chorus: If I stay, If I stay, If I stay, don't go.

 Instrumental Bridge: C, Am, F, C, G

 Verse 2: Pain, don't go, you remind me of a summer storm
          Faith, don't grow, when they say you've been sore