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"The world is a brutal place. My books reflect that."
Let me explain. I think it would be very unusual for anyone here, or anyone watching, to be envious of the Queen of England. Even though she is much richer than any of you are, and she's got a very large house, the reason why we don't envy her is because she's too weird.
继子女面临更大风险,因为进化压力塑造了父母更偏爱自己基因后代的心理。