Ua haʻi ʻo Robin Dunbar, anthropologist Pelekania a me ke kālaiʻike evolutionary e pili ana i ka hoʻāʻo ʻana o nā ʻepekema mai nā ʻāina like ʻole e wehe i ka mea huna o ke aloha.
ʻIke ʻia he ʻike nui ka ʻepekema: ʻo wai o mākou i ʻoi aku ka maikaʻi, pehea mākou e hoʻowalewale ai kekahi i kekahi, me ka mea a mākou e makemake ai e loaʻa i nā hihia, no ke aha mākou e hāʻule ai i ka maunu o nā cyber-seducers. ʻO kekahi mau haʻawina e hōʻoia i ka lōʻihi iʻikeʻia (ʻo nā brunettes kiʻekiʻe i kaulana loa i nā wāhine),ʻo ka hopena o nā mea'ē aʻe he mea i manaʻoʻoleʻia (ʻo ka pilina me nā wāhine e hoʻonāwaliwali i ka hana cognitive o nā kāne). Eia naʻe, ua ʻae ka mea kākau, ʻaʻohe mea nui o ka ʻepekema e wehewehe i nā pilina pili aloha, ʻaʻohe mea hiki ke hoʻopau i ka "chemistry of love".
Sinbad, 288 p.