#willpower__self-control__self-command__self-will  control of one's behavior
  supertype:  resoluteness__firmness__resolve  the trait of being resolute; firmness of purpose; "his resoluteness carried him through the battle"; "it was his unshakeable resolution to finish the work"
  subtype:  nerves  control of your emotions; "this kind of tension is not good for my nerves"
  subtype:  presence_of_mind  self-control in a crisis; ability to say or do the right thing in an emergency

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