You are Simon, the young, brilliant doctor. Your devotion to your sister drove you to part with the world you knew. Raised on a civilized planet, you are not used to coping with the situation you have landed yourself in -- though you seem to be adapting well enough to suggest robbing a hospital.
"You may not believe this, but I am not all that good at talking to girls."
Which Firefly character are you?
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[Hat tip: Sam]