Can I Connect With Thee?. Let Me Count the Ways. Psychological Science 2005;16:798-804. Cacioppo JT, Hawkley LC, Ernst JM, Burleson M, Berntson GG, Nouriani B, Spiegel D. Loneliness within a nomological net: An evolutionary perspective. Journal of Research in Personality 2006;40:1054-85. Boomsma DI, Willem