Lyric discussion by waitingonyou 

"I’m in love with a girl who’s in love with the world and I can’t help but follow though I know someday she is bound to go away and stay over the rainbow gotta learn how to let her go over the rainbow "

that's great. and maybe im wrong on this, but no matter what it means its great. but i see it as, he's in love with a girl who loves the world, so he likes that about her and so he wants to love the world as well.. he wants that. but he realizes that she's too good for hiim, and she will surely leave him someday. so he needs to learn how to let her go "over the rainbow" because he wants her to be happy.

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