 Outwardly, he mourned his father's death and was worried about his grandfather Emperor Wu's health, as Emperor Wu was also in ill health at the time, but when he wrote to the Crown Princess, he wrote one large character of "Xi" (喜, meaning "happiness") surrounded by 36 smaller "Xi" characters.Later that year, Emperor Wu died.Xiao Zhaoye succeeded him as emperor, and he created Crown Princess He empress.