Possible Clues:

• Calm fortitude
• Sine qua non of Stoicism? Being strong on superior insolence
• Cool having row, with stimulant swallowed by mistake
• Self-restraint needed seeing cheek after altercation during meal?
• Doggedness seen in argument with superior in error
• See 16
• Hard drug has edge, but you won't react with it
• What can hide one's feelings
• “...my pronunciation sucks...”
• Emotionless resolution