mercury answered Friday June 8 2012, 9:57 am: Because of the 'sphincter musles',full of nerve endings which give a painful sensation when something is pressing them,and which can be quite dangerous at the same time if you injure them,the thing is that some people like that sensation because once the anus is dilated,it starts to feel pleasant.So enjoy if people ask you that,all the same,taking into account what I have just told you would be sensible,since some people have died having anal without having paid attention to the precautions I mentioned.Hope it helps:) [ mercury's advice column | Ask mercury A Question ]
orphans answered Thursday June 7 2012, 3:19 pm: The anus has many nerve endings and so is very sensitive. It also creates pleasure as the male penis makes contact with certain glands inside.
For men, it is more pleasurable as the anus is tighter than the vagina, and so there is more friction.
It would hurt in the beginning, but like vaginal sex, you need to start slow, and 'prepare' the area, for lack of a better expression.
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