Ask if it's flat or sharp and everyone just laughs. Today someone answered, and my hand stopped for a moment.

• JoséphineSit like that on wet stairs and you'll wreck your knees. And your shoulder's been hiked up on one side since earlier.
  ThibaultI'll sit properly.
• GaspardMister, teach me that too! I've got good ears!
  ThibaultYou start with the last step first.