Now imagine this isn’t an experiment but the shape of a life: instead of waiting for a ball to come your way in a silly game of catch, you’re waiting for anyone to call or drop by or speak your name. You can’t even express it, but you’re hungering for some sign that you are known. But no one calls. No one asks how you’re doing. No one listens to your thoughts about the morning news. You are alone. Except there are hundreds of thousands of you. You’re not alone in being lonely—not