Artur such a good host, and he's really sweet. The first day we arrived, we lost and called him, then he picked us, show us the street and stuff. He even explained us the main attraction of Porto using the map he printed out, together with instructions so that it'll be easier for us. He helped us planning for our next journey, and give us the best route.
As for his apartment, it was really lovely. It's located near to the metro station and is easy to find. The room is clean and comfortable for both of us. The bathroom is clean as well. The kitchen have everything, so we can cook, use the refrigerator and microwave. He even teach us how to use the coffee machine.
Overall, it was a great trip for me.