Karen L. Fingerman is the Berner Hanley University Scholar and Associate Professor of Developmental and Family Studies at Purdue University. She is also Director of Purdue's Adult Family Research Center.Jacqui Smith is Professor of Psychology at the University of Michigan, a Senior Research Scientist in the Centre for Lifespan psychology at the Max Planck Institute for Human Development in Berlin, and a Professor of Psychology at the Free University of Berlin.Toni Antonucci, PhD, is Associate Dean for Academic Initiatives and Interdisciplinary Studies, Elizabeth M. Douvan Collegiate Professor of Psychology and Senior Research Scientist, Institute for Social Research Life Course Development Program, University of Michigan.