Authoritarian political ideologies have a vested interest in promoting fear a sense of the imminence of takeover by aliens and real diseases are useful material.
I never discuss a novel while I'm writing it for fear that talking about it will diminish my desire to write it.
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I think people that have fear that 'Oh if I have a kid I won't be able to do this and I won't be able to do that.' It's kind of the opposite. It really gives you energy. It makes people better.