Well let me tell you that the experience in Barcelona was great, such a beautiful city. He went for 3 days and got to see many interesting things, but not all, 3 days are not enough. About the Joseline's house I can tell you it is in the beautiful neighborhood of Eixample, very central and next to the metro station, and the principal arteries of Barcelona, full of nice restaurants, supermarket and bars. You can easy walk to any location and get a buss/metro. The house is good and you have your own bathroom all is clean and very quiet, on top of all Joseline and her husband Xavier are awesome people, very friendly, funny and always ready to help you even when you are on the street and have some doubts. I highly recommend to stay in their house.