If you think we weren’t scared, think again. We each have a long list of very realistic reasons to believe that we can’t – without extreme diminishment – survive the loss of the other.Abigail L. Rosenthal is Professor Emerita at Brooklyn College of The City University of New York. She is the author of Confessions of A Young Philosopher (forthcoming), which is a woman's "confession" in the tradition of Augustine and Rousseau. She writes a weekly online column, "Dear Abbie: The Non-Advice...