When women do have anal sex, the overwhelming majority, do so at the request of their male partner. American Journal of Public Health. When we tried anal sex, I was very aroused already and some vaginal fluids had dripped down my anus to lubricate it. And it doesn't have to be "messy. It concerns me that someone would do something sexually that they don't enjoy, and that someone else would be willing to perform a sexual act on someone they love if they knew the person was not aroused by it and was also perhaps in pain because of it. You can help Wikipedia by expanding it.