Derf, I challenge your next comment to be the opposite of which what you want to... | Hacker News

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		pizzafeelsright 20 days ago \| parent \| context \| favorite \| on: Humans peak in midlife: A combined cognitive and p... Derf, I challenge your next comment to be the opposite of which what you want to respond.

euroderf 19 days ago [–]

Wait, what ? That made my brain hurt.

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