Pair bonding may be the foundation of human and primate societies by Alexandru Micu February 3, 2020 1+1 = society, eventually.
Two-day long sexual ‘afterglow’ helps couples bond and feel more sexually satisfied after the deed by Alexandru Micu March 22, 2017 Sex -- it's good for you.
Lichens actually comprise a threesome, not a partnership by Tyler MacDonald July 22, 2016 The more the merrier.