Bulletproof Lyrics

Lyric discussion by johnfen 

Cover art for Bulletproof lyrics by Blue Rodeo

I was wondering if this song was about sickness.. The girl that he's singing to acts like she doesnt need any help, and they're both trying to come to terms with the illness.. it would make sense about not being bulletproof.. I don't know this is just what I was thinking about the song. Its really sad, though.