While at his studies one day, the Dauphin suddenly began whistling. Hearing this, Marie Antoinette reprimanded him.
The young prince excused himself, saying: “Mamma, I just found out how poorly I did in my studies yesterday, so I was booing myself.”
Edmond Guérard, Dictionnaire encyclopédique d’anecdotes (Paris: Firmin Didot, 1872), Vol. I, p. 415. (Nobility.org translation.)
Short Stories on Honor, Chivalry, and the World of Nobility—no. 4