Lyric discussion by InvaderFromWithin 

Cover art for Glass Slipper lyrics by Dresden Dolls, The

I really like this...I took it to be about the beginning of a relationship, where the first impressions are all you have, and they're usually much better than the person actually is. It struck me as talking about the stage where you get past the honeymoon phase, and the mask slips; she cant go on pretending to be better than she is, so the other half has to realise that she "was never the right size"