Paulo welcomed us and was very kind, he suggested places to see. The flat is very nice and has a warm atmosphere. There might be a little bit of noise some nights but nothing really problematic. I recommend staying there, as it is in the center and has nice restaurants and sights nearby.
Paulo owns the great bar La Drogaria in a street nearby. He didn't tell us by discretion, we just discovered it through Google maps and it serves great cocktails!