Do You Wanna Build A Human?

EDIT:
[5-Year-Old Edward:] Alphonse? [knocks]
Do you want to build a Human?
Come on, let's go and play!
We never see her anymore
It's such a bore
We'll bring her back, okay?

We used to be best of kin
And now we're not
How we wish she didn't die
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Do you want to build a Human?
It doesn't have to be a Human...
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[8-Year-Old Edward:] Go away, Alphonse

[5-Year-Old Alphonse:] Okay, bye...

[9-Year-Old Alphonse: (knocks)]
Do you want to build a Human?
Or ride our bikes around the town?
I think some company is overdue
I've started talking to
The doggy in the pound!

(Hang in there, Nina.)
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It gets a little lonely
All these empty rooms
Just watching the days tick by...
(tick-tock tick-tock tick-tock tick-tock)

[15-Year-Old Alphonse: (knocks)]
Edward, please I know you're in there
People are asking where you've been
They say, "taboo" and we know it too
But I'm here with you
So let's commit this sin
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We only have each other
It's just you and me
What are we gonna do?
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Do you want to build a Human? [sniff]