I prefer Kiwi-musume translations...
About you = Frozen
http://www.kiwi-musume.com/lyrics/ay.../aboutyou.html
Never Ever gets clearer here, it's a song about the quest for true love, a love larger than life, and how you hurt yourself and others while looking for this unreacheble love:
http://www.kiwi-musume.com/lyrics/ay...neverever.html
Do it again IMO is about the sacrifices you have to make in order to fullfill your dreams... Being it either personal effort (dance, dance, dance, sing, sing, sing) or giving up on other dreams you may have.
http://www.kiwi-musume.com/lyrics/ay...doitagain.html