Related by context. Frequent words. (Click for all words.) 49 Kiecolt Glaser 49 Orbuch 47 Turkle 46 Lyubomirsky 46 Furedi 46 Nayernia 46 Evolutionary theory 45 coevolution 45 Gazzaniga 44 Brinster 44 Markram 44 Wilkoff 43 Kuzmeski 43 Wurtman 43 Haidt 43 unitive 43 Schatzberg 43 Saposnik 42 correlational 42 metacognition 42 Sinervo 42 Holt Lunstad 42 Mithen 42 Deisinger 42 Bronfenbrenner 41 Holstege 41 Freedhoff 41 Verwiel 41 Frans de Waal 41 Greengard 41 sociality 41 Gellin 41 Martyak 41 Deisseroth 40 interrelatedness 40 Tuszynski 39 developmental psychology 39 transracial adoption 39 Evolutionary biologists 39 psychophysical 39 Jonathan Sohus 39 Cialdini 39 interpersonal interaction 39 Hillary Goodridge 39 Hotez 39 Bizanowicz 39 hunter gatherer societies 38 discordant couples 38 David Popenoe 38 Blankenhorn 38 Sasisekharan 38 Schladow 38 Relkin 38 contagious yawning 38 Dankovich 38 Lifelong learning 38 Notestine 37 Stroube 37 mechanistically 37 Vermeij 37 evolutionary origins 37 Scesny 37 Evonitz 37 conflictual 37 relatedness 37 Ritscher 37 Elizabeth G. Nabel 37 mirror neuron system 37 Laqueur 37 Van Vechten 37 Obsessive compulsive disorder 37 Deyerle 37 Geisbert 37 couplehood 37 anterior insula 37 biopsychosocial 37 transgenerational 37 platonic friendship 37 singlehood 37 Derrah 37 Lippard 36 microstructural 36 procreative 36 declarative memory 36 maladaptive 36 Seaborg 36 Metze 36 Bonauto 36 cognitions 36 interpersonal 36 neural plasticity 36 cohabiting 36 asexuality 36 Friedenberg 36 nonmarital 36 procreation 36 dyad 36 connectedness 36 Personal Relationships 36 Ellmaker 36 Compomizzo