Lyric discussion by halfalive 

Cover art for Perfect Girl lyrics by Sarah McLachlan

i've never really thought about this song as having to do with being in a relationship, maybe partially because i've never been in one myself, but looking over the lyrics again i can see how that would work. to me anyways i think it's about someone who feels kind of inferior to everyone around her no matter how hard she keeps trying to do things right. then the chorus and the bridge ('you need everybody with you on your side...") is someone coming along and telling her that things will turn out ok in the end.