Historical records report that Liu Chang spent so much time with his harem that he abandoned government affairs.
[5] The "History of Five dynasties and Ten Kingdoms" described the Persian woman as having copper colored skin and large eyes.
[6] The historical text Spring and Autumn Annals of the Ten Kingdoms recorded that Liu Chang indulged in sex games.
[8][9] Liu had sex all day and night and his body was physically unable to bear it, so he started to learn Jianyang techniques (健阳法) to invigorate his "yang" male energy (Jianyang involves increasing sexual desire and delaying ejaculation and orgasm, also see Taoist sexual practices).
Graphic descriptions of what the Persian woman and Liu Chang did together were recorded in Qingyilu written by Tao Gu.
They mention a hall installed in his palace called "Hou chuang jian" (候窗監)[14][15][16][17] where he indulged himself with her.