I think biologically we are attracted to more than one person, but given society and our needs, monogamy works better.
Nancy FridayAfter sex, men fear too much intimacy; they want to separate again. Women want to talk, to continue the merging, melting fusion into one. Postcoital conversations keep the woman's power alive. Through unconscious severance, by falling asleep, the man regains his self.
Nancy FridayI like the company of men. I've never been welcome in those groups, but then I would no more go to a consciousness-raising group and talk about my intimate life with my husband than fly to the moon. I never understood all that.
Nancy Friday