If you do a quick search online about anal sex, it boils down to one basic concern: can anal sex screw up your, well, anus? People are curious about how anal sex can impact their pooping habits and ability to "hold it. The other popular anal inquiry has to do with frequency: can you have too much anal sex? It turns out the answer to both isn't exactly cut and dry. According to Web MD, an anus lacks natural lubrication that is present in a vagina. So if you're a woman receiving anal play you'll want to remember that and go heavy on the lubrication.