We did not met David, but a friend was there when we checked in, who explained everything to us and showed us the appartment. He responds really fast and was very helpful. David's Appartment is really nice, clean, comfortable and there was enough space for 4 adults. The appartment is located in the heart of Paris, next to the Metro station Boissiere. Just 15 minutes to walk to Arc de Triomphe, Champ Elysee or Eiffel Tower and Seine. There are a lot of restaurants in the main street and a supermarket. I can definitely recommend his appartment and the location. It is safe and nice.