How I lost my hair... 2

-- I went to Hogwarts School of Witchcraft and Wizardry
-- I sat down and they put the sorting hat on my head
-- 'Hmm! What a lovely hair!' and it kept my hair

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How I lost my hair...

-- I was break-dancing.
-- I did a headspin, turning really fast.
-- My hair burned.

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How I lost my hair...

-- I met Chewbacca.
-- He said he was cold.
-- I lost my hair, all of it.

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Can you tell me how I lost my hair?

Image from gratisography.com and https://www.pottermore.com/writing-by-jk-rowling/the-sorting-hat