Gift-giving in romantic couples serves as a commitment signal: Relational mobility is associated with more frequent gift-giving
Komiya, Asuka, Ohtsubo, Yohsuke, Nakanishi, Daisuke, Oishi, ShigehiroLanguage:
english
Journal:
Evolution and Human Behavior
DOI:
10.1016/j.evolhumbehav.2018.10.003
Date:
October, 2018
File:
PDF, 707 KB
english, 2018