I visited Lisbon with my boyfriend and the appartement was absolutely perfect for two!
The location is perfect for Lisbon, you find many cute restaurants close to it (personal recomendation for the Latitude38!) and the city centre is one footstep out of the door. Highlight is the balcony, from which you have a perfect view over the neighbourhood. With a glass of wine you can spend the whole night there.
I have to underline the nice communication with Joao. We only met his friend Daniel, but he was also very nice and helpful. We had some problems with our flight so we had to leave the apartement too early, but it was no problem for both to help us and get back into the room.
He also left us some nice inspirations in a photo book on the table, you really should read that there are many nice places inside who are beautiful to see.
We had a great time in Lisbon!