(Edward O. Laumann, John H. Gagnon, Robert T. Michael, Stuart Michaels. The social organization
of sexuality: Sexual practices in the United States. Chicago: University of Chicago Press.)
While anal sex appears in 55.9% of all scenes in best-selling pornography -- see Robert Wosnitzer et al., 2006, "Aggression and Sexual Behavior in Best-Selling Pornography: A Content Analysis"-- and the woman is shown to "enjoy" it, it is important to understand that if they are every lucky enough to have consensual sex with a real woman chances are she will beat them to a bloody pulp if they ever try to manipulate her into letting them penetrate her anus.
"I slammed my cock in her tight ass"
"I love getting a hard cock in my ass"
"I love it when she eats my ass"