RGF - Cafe Aresol (just of the Plaza del Sol) has been my morning coffee place every time I'm in Madrid - sadly only once a year - but yeah, they do remember you - not only after the first time - but also after 10 or 11 months. And yes, before someone asks - first morning back I get treated to welcoming hugs and coffee and on the last day to wine and tears - am counting the days 'til I return