Play this part as the intro and at the end of every verse.

e|------13-------13---------------13---| 
b|----15--15---15--15---15--15--15--15-|    
g|--15-------15-------15--15--15-------|
d|-------------------------------------|
a|-------------------------------------|   
E|-------------------------------------| 
 
 
Play this part throughout all the verses.

e|------13--13-------------13--13------|
b|----15--15--15--15-----15--15--15--15|
g|--15----------15-----14----------14--|
d|-------------------------------------|
a|-------------------------------------|
E|-------------------------------------|

And thats really all it is. Enjoy!