It's pretty easy and straight-forward, like most Petty tunes. Just listen to the 
to get the rhythm.

Intro + Verses:
Am, G, Em, D, (D)

Chorus ("I don't scare easy.."):
C, G, D (x3 total)
and then Am, D

Solo:
Am, G, Em, D, (D)

Outro:
just hold D


Great album and great song.