Our stay in Gary's house was incredile! The house is as "advertised" and everything was spotless.
The hosts were amicable and welcoming. Unfortunately, we had a few misshaps on our way there and arrived later than expected and Gary (and Gary's father) were still amazingly kind and acomodating. Gary's father was the one that greeted us, given that he agreed to wait longer, and when we finally arrived he was still one of the nicest most welcoming people we ever had the pleasure of talking with.
The apartment is super well located if you want to walk to the tourist locations and also close to a lot of the nightlife (without you hearing any of it; which is kinda perfect), markets, shops and cafés.
All in all our stay was super positive and if we ever go back to Sevilha we'll try and stay with them again.