Attack on your brain

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Across
  1. 3. To surprise somebody very much.
  2. 4. Expecting good things to happen or something to be successful
  3. 6. To make somebody very angry.
  4. 7. Bright, strong flame
  5. 8. To talk in a noisy or excited manner
  6. 9. To laugh quietly.
Down
  1. 1. To look quickly at somebody/something.
  2. 2. Full of excitement and interest in something.
  3. 5. Someone who affects or changes the way that other people behave