Having admitted to my next door neighbour that sex with my boyfriend had become dull, he had agreed to give me lessons on how to liven things up. Yesterday, he had fucked me with a dildo before coming in my mouth. Telling me to return today I remembered him saying something about anal sex. I felt nervous as I had never been fucked up the arse before, but also excited and very very horny. So, this morning I knocked on his...