I don't remember what it was that made me volunteer to hold the key to Sushim's apartment. He had been living away from the city for a while and listed his old digs for sale, but was reluctant to hand over the key to a broker since he was in fear that the broker might start using the place himself. In a moment of weakness, I volunteered to be the Key Guy, to trundle out over weekends and show the apartment to the prospective buyers and brokers that Sushim coordinated over phone and the internet. It isn't all that taxing, really. I get to interact with some interesting people (and sometimes their brokers) and delve into their shelter-seeking psyches. Most ask me all kinds of personal questions that I find unrelated to their apartment-buying decision making process. Such as what I do, how I am related to Sushim (one broker asked me if I was his brother, and I confirmed) and where I live. Last evening was the first time I ventured out to the apartment on a weekday, and an ...