Jocelyn and his boyfriend are amazing people. The detailed description of the flat, location and hosts is more than fare. They are also really reactive if you have any question.
The location: In deed you can go to the center and many tourist destination by foot in less than 20 minutes (I walk slowly =D). The metro is expensive, so they suggested us to use the bikes. Once more, it was an accurate choice. They have a bike station in from of the building, we did not have troubles finding bikes when leaving (late in the morning) or finding an empty spot to return them when getting back home (late at night).
The flat was also as we expected: clean, sunny and cozy. Our bedroom has a comfortable bed as they said, and they provided us with towels.
They are really welcoming; they made us feel at home. For my first Airbnb, it was a great experience. In our case, we arrive late and they were kind enough to share their dinner with us and stay up late for giving us some useful tips. For breakfast, even they were not there, we had everything we needed: coffee, the, fruits, cereal, chocolate cookies, etc.
Thank you very much guys, it has been a pleasure to meet you!