The document summarizes the Couchsurfing experiences of the author in Paris, Vienna, and Budapest. In Paris, the author meets Théo at the metro station and stays at his apartment, where he meets Théo's friendly flatmate Roger. They make the author dinner and take him to a bar, where they later go to a party near Montmartre on the back of Théo's bicycle. In Vienna, the author stays with student Artur but forgets to turn off the tap after taking a bath, flooding the bathroom. In Budapest, the author arrives late at Judit's flat and gets off the train at the wrong station, but they have dinner together and she takes him shopping.