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"What've you got there?"
"A smoothie."
Ok so what if Moon was in charge of playing tooth fairy at the daycare? He'd dole out tokens for teeth so the kids could responsibly spend it at the Pizzaplex.
Of course, these teeth were precious pieces of the children in his care, so he never threw them away.
Sun may pull a few teeth, but he's not In Charge of said teeth and finds the collection less than sanitary.