Two years ago, when Eliza Sellman was in ninth grade, her dad found out he was being transfered and the family was going to move. Having always been shy and not so confident about her body, Eliza took that opportunity to start a list in her private notebook of all the things she planned on doing when she moved but had always been afraid to--like wearing a miniskirt and asking guys to dance; singing karaoke in front of strangers; posting a photo of...