Hermes SolenzolFollowNov 27, 2022·4 min read·Member-onlyBeing Monogamous and Altruistic Is Driven by Oxytocin in the BrainThe neuropeptides oxytocin and vasopressin drive altruistic punishment, social bonding and monogamyPrairie vole family. Source. Photo by Todd H. Ahern.The faithful prairie vole and the promiscuous montane vole