[9] When his father became deathly ill with fever at Metz, Louis disobeyed orders and went to his bedside, much to the king's resentment.

[15][16][17] After Fontenoy, Louis was not allowed to participate in battles, in part due to the king's escalating jealousy and increasingly distant attitude toward his son.

He grieved intensely at the loss of his wife,[23][24] but his responsibility to provide for the succession to the French crown required he marry again quickly.

[29][30] Louis was well educated:[32] a studious man,[33][34] cultivated, and a lover of music,[29][35] he preferred the pleasures of conversation to those of hunting,[36] balls, or spectacles.

[47] He appeared in the eyes of his sisters as the ideal of the Christian prince, in sharp contrast with their father, who was a notorious womanizer.

Kept away from government affairs by his father,[48] Louis was at the center of the Dévots,[49] a group of religiously minded men who hoped to gain power when he succeeded to the throne.

[53][54] His mother, Queen Marie Leszczyńska, and his maternal grandfather, the former king of Poland, Stanislaus I Leszczyński, Duke of Lorraine, also survived him.

[56] Louis was buried in the Cathedral of Saint-Étienne in Sens[55] at the Monument to the Dauphin of France & Marie-Josephe of Saxony, designed and executed by Guillaume Coustou, the Younger.