She was sitting at a table of the cafe near her apartment, where she often went. As she sipped her coffee she concentrated on her book, when a voice suddenly startled her: “Would you mind if I sat down?”. She looked up and saw a middle aged man looking at her with a tentative smile. As she didn’t reply, he politely repeated the question. Still surprised, she muttered “Why…yes”. As he sat down she looked at him questioningly. He introduced …