That reminds me of the story of a 19-20 y/o friend of mine in college who was a virgin to doing anal. He had seen it done in porn many many times but had never tried it himself. He had a new friend over to his apartment and they decided to watch some of his vast inventory of porn together. It was probably his and my favorite movie... The Young and the Hung. One thing led to another and my friend topped for the first time. He told us how it went. While the feelings were pleasurable, the sights and smells were not.
He was totally shocked and unprepared. lol
The poor guy had no idea that anal sex in real life was not the squeaky clean endeavor it appeared to be in his porn movies.
At least not without some preparation beforehand. lol