User blog comment:Derrmann/By Jove, I've got it! (Totally know why Ruby and Yang have different last names)/@comment-15838853-20131116052601/@comment-7468226-20131116053658

Hence the "Alone With Others". Ruby's got family, but what she loses is the one person who understood her and  knew her from birth.

One thing I can't get around is the lack of context in this song, it could take place in the future for all I know...