Charlie wasn't smart automatically because after the operation, he had traumas and after some few months, his brain began to deteriorate and he lost his intelligence.
Flowers For Algernon was created by Daniel Keyes. The novel talks about Charlie Gordon who had a mental disability and an IQ of 68. He was a slow learner.
Charlie went for a brain surgery in order to increase his IQ. After the surgery, Charlie became more intelligent than Algernon. But he felt isolated and lonely. He had traumas due to his past memories and soon his brain began to degrade. He later lost his intelligence.
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