Chris was a really lovely host, he didn't mind at all that we came late at night, and he was really helpfull with anything, places to go and restaurants to eat.
I was a little bit afraid of this living together with a stranger thing, but it just helped to have a better experience in Barcelona, so i recommend it to everybody to try out.
The apartment has a really good allocation, so if you want you can have your private space in no time. It was clean and well-equipped too.