Thorough instruction documents in advance and quick reply to any of my questions proved his reliability and hospitality.
The rooms were perfectly furnished for 4 people, all clean and neat. On top of that, I really liked his taste from the bright colour carpet, the series of books, to the large mirrors on the wall.
I found Angel was quite a good option if you stay in ZONE1 as the place provides easy access to everything to live on as well as to the central. The flat is located near a bus stop and I could come back alone safely after it's dark.