Theory, research, and clinical applications. Patterns of Sexual Behavior. Opposition to homosexuality in China originates in the medieval Tang Dynastyattributed to the rising influence of Christian and Islamic values,  but did not become fully established until the late Qing Dynasty and the Republic of China. For other correlates, see: Retrieved 16 February
We are all pretty obsessed with penetration.
Jon R. About the Author. Lang
Clarke, Looking at Lovemaking: