In general, I understand the man - women are so good to bring the brains out, that I sometimes want to have a friend so hard to fuck! The most interesting thing is that his girlfriend liked it and she suggested that sometimes for a change in the relationship to apply such a role-playing game!
The lady is just a great body and very flexible, and she's an ace in the anal! Clearly visible is the coverage of the cock entering the anus, the man clearly takes great pleasure. To extend the pleasure longer, he alternates between anal and sucking, so you can last much longer. But not all ladies agree to it, the majority take in the mouth after anal only if anal took place in a condom.